RichThesaurus
not saying boo
not saying boo
synonyms
dumb
buttoned up
mute
uncommunicative
tight-lipped
speechless
reserved
clammed up
silent
taciturn
cool
hushful
could hear a pin drop
unexpressed
still
unspeaking
quieted
voiceless
inaudible
hushed
close-mouthed
shocked
muffled
soundless
cool as cucumber
quiescent
dazed
astounded
dumbfounded
dumbstruck
mum
wordless
closemouthed
peaceful
amazed
low-pitched
close
aghast
unuttered
soft
noiseless
whist
stilled
tongue-tied
quiet
inarticulate
thunderstruck
reticent
secretive
unflappable
more synonyms
not saying boo
antonyms
responsive
clamorous
noisy
communicative
loud
articulate
boisterous