
Suck in
Sudden Realization
Used when someone suddenly understands something and reacts quickly.

She sucked in her breath as the solution to the puzzle dawned on her.
Shock or Surprise
Shows someone is surprised or shocked by something unexpected.

He sucked in a sharp breath when he saw the unexpected guest.
Preparation
Indicates preparation for an effort or challenge ahead.

The athletes sucked in deep breaths before the race began.
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension