be honour-bound

be/feel honour-bound to do something

(British & Australian) also be/feel honor-bound to do something (American & Australian)

to feel that you must do something because it is morally right, even if you do not want to do it I'd rather go to Andrew's party but I feel honour-bound to go to Caroline's because she asked me first.

Common Names:

Name	Pronounced	Usage
Mu'tamid	-	Arabic
Olive	AHL-iv	English
Bamber	['bæmbə]
Ealisaid	-	Manx
Blas	BLAHS	Spanish
Ayumu	ah-yoo-moo	Japanese