uncommunicative Synonyms
unpronounceable
unexpressive
tongue-tied
tongueless
taciturn
speechless
soft-spoken
silent
self-contained
secretive
retiring
reticent
reserve
unfriendly
unsociable
voiceless
undemonstrative
unarticulate
tightlipped
unsocial
epistolophobia
standoffish
nongregarious
buttoned-up
unapproachable
asocial
wordless
withdrawn
reserved
remote
reclusive
incommunicable
inarticulate
inapproachable
guarded
distant
dissocial
dissociable
curt
closemouthed
close
autocephalous
antisocial
incommunicative
indrawn
insociable
quiet
private
pouting
offish