closemouthed vs tightlipped

closemouthed and tightlipped both are adjectives.

Word	Noun	Adjective	Verb	Adverb
closemouthed	No	Yes	No	No
tightlipped	No	Yes	No	No

As adjectives, closemouthed and tightlipped are synonyms defined as:

closemouthed and tightlipped: inclined to secrecy or reticence about divulging information

Other synonyms of closemouthed include close, closelipped, secretive.

closemouthed (adjective)	tightlipped (adjective)
inclined to secrecy or reticence about divulging information	inclined to secrecy or reticence about divulging information