Narrowed

verb

1. To reduce in width or extent; to contract.

   "We need to narrow the search."

2. To get narrower.

   "The road narrows."

3. (of a person or eyes) To partially lower one's eyelids in a way usually taken to suggest a defensive, aggressive or penetrating look.

   "He stepped in front of me, narrowing his eyes to slits."

4. To contract the size of, as a stocking, by taking two stitches into one.
5. To convert to a data type that cannot hold as many distinct values.

   "to narrow an int variable to a short variable"