diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 11c4bcbfb..7fd164725 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -4775,65 +4775,67 @@ module TestSize {
 }
 
 // _.some
-module TestSome {
-    let array: TResult[];
-    let list: _.List<TResult>;
-    let dictionary: _.Dictionary<TResult>;
-    let numericDictionary: _.NumericDictionary<TResult>;
+namespace TestSome {
+    type SampleObject = {a: number; b: string; c: boolean;};
 
-    let listIterator: (value: TResult, index: number, collection: _.List<TResult>) => boolean;
-    let dictionaryIterator: (value: TResult, key: string, collection: _.Dictionary<TResult>) => boolean;
-    let numericDictionaryIterator: (value: TResult, key: number, collection: _.NumericDictionary<TResult>) => boolean;
+    let array: SampleObject[];
+    let list: _.List<SampleObject>;
+    let dictionary: _.Dictionary<SampleObject>;
+    let numericDictionary: _.NumericDictionary<SampleObject>;
+
+    let listIterator: (value: SampleObject, index: number, collection: _.List<SampleObject>) => boolean;
+    let dictionaryIterator: (value: SampleObject, key: string, collection: _.Dictionary<SampleObject>) => boolean;
+    let numericDictionaryIterator: (value: SampleObject, key: number, collection: _.NumericDictionary<SampleObject>) => boolean;
 
     {
         let result: boolean;
 
-        result = _.some<TResult>(array);
-        result = _.some<TResult>(array, listIterator);
-        result = _.some<TResult>(array, listIterator, any);
-        result = _.some<TResult>(array, '');
-        result = _.some<{a: number}, TResult>(array, {a: 42});
+        result = _.some<SampleObject>(array);
+        result = _.some<SampleObject>(array, listIterator);
+        result = _.some<SampleObject>(array, 'a');
+        result = _.some<SampleObject>(array, ['a', 42]);
+        result = _.some<{a: number}, SampleObject>(array, {a: 42});
 
-        result = _.some<TResult>(list);
-        result = _.some<TResult>(list, listIterator);
-        result = _.some<TResult>(list, listIterator, any);
-        result = _.some<TResult>(list, '');
-        result = _.some<{a: number}, TResult>(list, {a: 42});
+        result = _.some<SampleObject>(list);
+        result = _.some<SampleObject>(list, listIterator);
+        result = _.some<SampleObject>(list, 'a');
+        result = _.some<SampleObject>(list, ['a', 42]);
+        result = _.some<{a: number}, SampleObject>(list, {a: 42});
 
-        result = _.some<TResult>(dictionary);
-        result = _.some<TResult>(dictionary, dictionaryIterator);
-        result = _.some<TResult>(dictionary, dictionaryIterator, any);
-        result = _.some<TResult>(dictionary, '');
-        result = _.some<{a: number}, TResult>(dictionary, {a: 42});
+        result = _.some<SampleObject>(dictionary);
+        result = _.some<SampleObject>(dictionary, dictionaryIterator);
+        result = _.some<SampleObject>(dictionary, 'a');
+        result = _.some<SampleObject>(dictionary, ['a', 42]);
+        result = _.some<{a: number}, SampleObject>(dictionary, {a: 42});
 
-        result = _.some<TResult>(numericDictionary);
-        result = _.some<TResult>(numericDictionary, numericDictionaryIterator);
-        result = _.some<TResult>(numericDictionary, numericDictionaryIterator, any);
-        result = _.some<TResult>(numericDictionary, '');
-        result = _.some<{a: number}, TResult>(numericDictionary, {a: 42});
+        result = _.some<SampleObject>(numericDictionary);
+        result = _.some<SampleObject>(numericDictionary, numericDictionaryIterator);
+        result = _.some<SampleObject>(numericDictionary, 'a');
+        result = _.some<SampleObject>(numericDictionary, ['a', 42]);
+        result = _.some<{a: number}, SampleObject>(numericDictionary, {a: 42});
 
         result = _(array).some();
         result = _(array).some(listIterator);
-        result = _(array).some(listIterator, any);
-        result = _(array).some('');
+        result = _(array).some('a');
+        result = _(array).some(['a', 42]);
         result = _(array).some<{a: number}>({a: 42});
 
-        result = _(list).some<TResult>();
-        result = _(list).some<TResult>(listIterator);
-        result = _(list).some<TResult>(listIterator, any);
-        result = _(list).some('');
+        result = _(list).some<SampleObject>();
+        result = _(list).some<SampleObject>(listIterator);
+        result = _(list).some('a');
+        result = _(list).some(['a', 42]);
         result = _(list).some<{a: number}>({a: 42});
 
-        result = _(dictionary).some<TResult>();
-        result = _(dictionary).some<TResult>(dictionaryIterator);
-        result = _(dictionary).some<TResult>(dictionaryIterator, any);
-        result = _(dictionary).some('');
+        result = _(dictionary).some<SampleObject>();
+        result = _(dictionary).some<SampleObject>(dictionaryIterator);
+        result = _(dictionary).some('a');
+        result = _(dictionary).some(['a', 42]);
         result = _(dictionary).some<{a: number}>({a: 42});
 
-        result = _(numericDictionary).some<TResult>();
-        result = _(numericDictionary).some<TResult>(numericDictionaryIterator);
-        result = _(numericDictionary).some<TResult>(numericDictionaryIterator, any);
-        result = _(numericDictionary).some('');
+        result = _(numericDictionary).some<SampleObject>();
+        result = _(numericDictionary).some<SampleObject>(numericDictionaryIterator);
+        result = _(numericDictionary).some('a');
+        result = _(numericDictionary).some(['a', 42]);
         result = _(numericDictionary).some<{a: number}>({a: 42});
     }
 
@@ -4842,26 +4844,26 @@ module TestSome {
 
         result = _(array).chain().some();
         result = _(array).chain().some(listIterator);
-        result = _(array).chain().some(listIterator, any);
-        result = _(array).chain().some('');
+        result = _(array).chain().some('a');
+        result = _(array).chain().some(['a', 42]);
         result = _(array).chain().some<{a: number}>({a: 42});
 
-        result = _(list).chain().some<TResult>();
-        result = _(list).chain().some<TResult>(listIterator);
-        result = _(list).chain().some<TResult>(listIterator, any);
-        result = _(list).chain().some('');
+        result = _(list).chain().some<SampleObject>();
+        result = _(list).chain().some<SampleObject>(listIterator);
+        result = _(list).chain().some('a');
+        result = _(list).chain().some(['a', 42]);
         result = _(list).chain().some<{a: number}>({a: 42});
 
-        result = _(dictionary).chain().some<TResult>();
-        result = _(dictionary).chain().some<TResult>(dictionaryIterator);
-        result = _(dictionary).chain().some<TResult>(dictionaryIterator, any);
-        result = _(dictionary).chain().some('');
+        result = _(dictionary).chain().some<SampleObject>();
+        result = _(dictionary).chain().some<SampleObject>(dictionaryIterator);
+        result = _(dictionary).chain().some('a');
+        result = _(dictionary).chain().some(['a', 42]);
         result = _(dictionary).chain().some<{a: number}>({a: 42});
 
-        result = _(numericDictionary).chain().some<TResult>();
-        result = _(numericDictionary).chain().some<TResult>(numericDictionaryIterator);
-        result = _(numericDictionary).chain().some<TResult>(numericDictionaryIterator, any);
-        result = _(numericDictionary).chain().some('');
+        result = _(numericDictionary).chain().some<SampleObject>();
+        result = _(numericDictionary).chain().some<SampleObject>(numericDictionaryIterator);
+        result = _(numericDictionary).chain().some('a');
+        result = _(numericDictionary).chain().some(['a', 42]);
         result = _(numericDictionary).chain().some<{a: number}>({a: 42});
     }
 }
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index f01e5afbe..95374e900 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -8805,28 +8805,16 @@ declare module _ {
     //_.some
     interface LoDashStatic {
         /**
-         * Checks if predicate returns truthy for any element of collection. The function returns as soon as it finds
-         * a passing value and does not iterate over the entire collection. The predicate is bound to thisArg and
-         * invoked with three arguments: (value, index|key, collection).
-         *
-         * If a property name is provided for predicate the created _.property style callback returns the property
-         * value of the given element.
-         *
-         * If a value is also provided for thisArg the created _.matchesProperty style callback returns true for
-         * elements that have a matching property value, else false.
-         *
-         * If an object is provided for predicate the created _.matches style callback returns true for elements that
-         * have the properties of the given object, else false.
+         * Checks if predicate returns truthy for any element of collection. Iteration is stopped once predicate
+         * returns truthy. The predicate is invoked with three arguments: (value, index|key, collection).
          *
          * @param collection The collection to iterate over.
          * @param predicate The function invoked per iteration.
-         * @param thisArg The this binding of predicate.
          * @return Returns true if any element passes the predicate check, else false.
          */
         some<T>(
             collection: List<T>,
-            predicate?: ListIterator<T, boolean>,
-            thisArg?: any
+            predicate?: ListIterator<T, boolean>
         ): boolean;
 
         /**
@@ -8834,8 +8822,7 @@ declare module _ {
          */
         some<T>(
             collection: Dictionary<T>,
-            predicate?: DictionaryIterator<T, boolean>,
-            thisArg?: any
+            predicate?: DictionaryIterator<T, boolean>
         ): boolean;
 
         /**
@@ -8843,8 +8830,7 @@ declare module _ {
          */
         some<T>(
             collection: NumericDictionary<T>,
-            predicate?: NumericDictionaryIterator<T, boolean>,
-            thisArg?: any
+            predicate?: NumericDictionaryIterator<T, boolean>
         ): boolean;
 
         /**
@@ -8852,8 +8838,7 @@ declare module _ {
          */
         some<T>(
             collection: List<T>|Dictionary<T>|NumericDictionary<T>,
-            predicate?: string,
-            thisArg?: any
+            predicate?: string|any[]
         ): boolean;
 
         /**
@@ -8870,16 +8855,14 @@ declare module _ {
          * @see _.some
          */
         some(
-            predicate?: ListIterator<T, boolean>|NumericDictionaryIterator<T, boolean>,
-            thisArg?: any
+            predicate?: ListIterator<T, boolean>|NumericDictionaryIterator<T, boolean>
         ): boolean;
 
         /**
          * @see _.some
          */
         some(
-            predicate?: string,
-            thisArg?: any
+            predicate?: string|any[]
         ): boolean;
 
         /**
@@ -8895,16 +8878,14 @@ declare module _ {
          * @see _.some
          */
         some<TResult>(
-            predicate?: ListIterator<TResult, boolean>|DictionaryIterator<TResult, boolean>|NumericDictionaryIterator<T, boolean>,
-            thisArg?: any
+            predicate?: ListIterator<TResult, boolean>|DictionaryIterator<TResult, boolean>|NumericDictionaryIterator<T, boolean>
         ): boolean;
 
         /**
          * @see _.some
          */
         some(
-            predicate?: string,
-            thisArg?: any
+            predicate?: string|any[]
         ): boolean;
 
         /**
@@ -8920,16 +8901,14 @@ declare module _ {
          * @see _.some
          */
         some(
-            predicate?: ListIterator<T, boolean>|NumericDictionaryIterator<T, boolean>,
-            thisArg?: any
+            predicate?: ListIterator<T, boolean>|NumericDictionaryIterator<T, boolean>
         ): LoDashExplicitWrapper<boolean>;
 
         /**
          * @see _.some
          */
         some(
-            predicate?: string,
-            thisArg?: any
+            predicate?: string|any[]
         ): LoDashExplicitWrapper<boolean>;
 
         /**
@@ -8945,16 +8924,14 @@ declare module _ {
          * @see _.some
          */
         some<TResult>(
-            predicate?: ListIterator<TResult, boolean>|DictionaryIterator<TResult, boolean>|NumericDictionaryIterator<T, boolean>,
-            thisArg?: any
+            predicate?: ListIterator<TResult, boolean>|DictionaryIterator<TResult, boolean>|NumericDictionaryIterator<T, boolean>
         ): LoDashExplicitWrapper<boolean>;
 
         /**
          * @see _.some
          */
         some(
-            predicate?: string,
-            thisArg?: any
+            predicate?: string|any[]
         ): LoDashExplicitWrapper<boolean>;
 
         /**