Synonyms of unsociable

1 Syllable
shy, cool, mum, cold
2 Syllables
brooding, sullen, offish, silent, crabbier, withdrawn, mumpish, churlish, timid, crabby, stuck-up, distant, chuffier, laid-back, mumer, chuffy, screened, aloof, husher
3 Syllables
unsocial, silentious, reserved, standoffish, retiring, hostile, blockaded, unfriendly, rabbity, resentful, uppity, unspeaking, easy-going, secluded, unbending
4 Syllables
nongregarious, secretive, unforthcoming, uncongenial, reclusive, recessive, ungregarious, sensitive, unwelcoming, insociable, introverted, antisocial, unneighborly
5 Syllables
unapproachable, antagonistic, unreceptive, inhospitable, inaccessible
6 Syllables
undemonstrative
7 Syllables
uncommunicative