Crossword Genius

Expression could be sans forced admission (5)

Ross

I believe the answer is:

idiom

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

'expression' is the definition.
(idiom is a kind of expression)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for idiom that I've seen before include "Saying specific to a certain language" , "Dialect, vernacular" , "Characteristic language of people or group" , "Characteristic mode of expression" , "Language used by people or group, vernacular" .)

I've seen this clue in The Hindu.
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.