Having little or no space between elements or parts; tight and compact:
Disposed not to talk; tightlipped.
Not disposed to be forthcoming or communicative; uncommunicative:
Silent or uncommunicative; disinclined to speak readily, often, specif., habitually so
Free from, or not making, sound or noise; quiet; still; noiseless
Characterized by reserve or a lack of expression:
Brief or terse in speech or expression; using few words
inclined to secrecy or reticence about divulging information
Suggestive of the keeping of secrets:
Find another word for tightlipped. In this page you can discover 16 synonyms, antonyms, idiomatic expressions, and related words for tightlipped, like: sounds, close, close-mouthed, incommunicable, incommunicative, reserved, reticent, silent, taciturn, uncommunicable and uncommunicative.