First Known Use of open-eyed
on guard, on one's toes, on the alert, on the ball, on tiptoe;
OPEN-EYED Defined for English Language Learners
Definition of open-eyed for English Language Learners
: having eyes that are open or wide open
Seen and Heard
What made you want to look up open-eyed? Please tell us where you read or heard it (including the quote, if possible).