secretive vs tightlipped

secretive and tightlipped both are adjectives.

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

As adjectives, secretive and tightlipped are synonyms defined as:

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

Other synonyms of secretive include close, closelipped, closemouthed.

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