diff --git a/snippets/unary.md b/snippets/unary.md
new file mode 100644
index 000000000..51fa353cc
--- /dev/null
+++ b/snippets/unary.md
@@ -0,0 +1,13 @@
+### unary
+
+Creates a function that accepts up to one argument, ignoring any additional arguments.
+
+Call the provided function, `fn`, with just the first argument given.
+
+```js
+const unary = fn => val => fn(val);
+```
+
+```js
+['6', '8', '10'].map(unary(parseInt)); // [6, 8, 10]
+```
diff --git a/tag_database b/tag_database
index 32328d8a5..e942ec1e5 100644
--- a/tag_database
+++ b/tag_database
@@ -221,6 +221,7 @@ toSnakeCase:string,regexp
 transform:object,array
 truncateString:string
 truthCheckCollection:object,logic,array
+unary:adaptor,function
 unescapeHTML:string,browser
 union:array,math
 unionBy:array,function