Definitions

1. adjective

having or characterized by a squint; partially closed or crooked eyes

“He had a squinty eye that gave him a mischievous look.”

2. adverb

in a squinting manner

“She walked squinty into the bright sunlight.”

3. noun

a squint (especially in a person’s eye)

“The optometrist examined his squinty eye for any signs of trouble.”