squints; squinted; squinting
1 [no object] : to look at something with your eyes partly closed
She had to squint to read the small print.
They were squinting into the sun. [=looking toward the sun with their eyes partly closed]
He squinted through the haze of smoke.
2 [+ object] : to cause (your eyes) to partly close
I had to squint my eyes to focus on the tiny letters.