Likely to pass out (7)

I believe the answer is:

stumped

I'm a little stuck... Click here to teach me more about this clue!

'out' is the definition.
The answer and definition are not the same part of speech. However, adjectives and past participle verbs can occasionally mean the same thing.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for stumped that I've seen before include "Perplexed -- way to get out at cricket" , "Dismissed" , "in perplexity" , "Defeated by puzzle" , "Bewildered (on the way out?)" .)

I've seen this clue in The Independent.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.