Meaning of “stick out” - Learner’s Dictionary

stick out

phrasal verb with stick uk us /stɪk/ verb (past tense and past participle stuck)

B2 If part of something sticks out, it comes out further than the edge or surface:

His ears stick out a bit.

to be very easy to notice:

She certainly sticks out in a crowd.
→ See also stick/stand out like a sore thumb

(Definition of “stick out” from the Cambridge Learner’s Dictionary © Cambridge University Press)