not see straight

not see straight

1. Used other than figuratively or idiomatically: see not,‎ see,‎ straight.
2. (figurative, colloquial) To be unable to think clearly.

   I was so tired I was not able to see straight.

   I am so angry that I can't see straight.

   • 1985, Herbert Kretzmer, "Master of the House" (song) in Les Misérables

     Picking up their knick-knacks when they can't see straight

• Usually with contracted forms of not, but also with other negatives, such as never, no one, unable.