tightlipped vs secretive

tightlipped and secretive both are adjectives.

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

As adjectives, tightlipped and secretive are synonyms defined as:

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

Other synonyms of tightlipped include close, closelipped, closemouthed.

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