a closed mouth gathers no feet
soft-spoken
ungrumpy
unirritated
unwittily
murmurlessly
unspeakingly
unmincing
accentless
unmurmuring
immodest
uneffused
undemeaned
woman of few words
silently
unhumoured
unvituperative
silent person
give lip
dummy
unphrasable
joke around
unaccented
noncommunicant
unadmiringly
lighthearted
unembarrassment
unpissed
unmurmurous
unreticent
undeferential
h
unchided
drone
nonattentive
unabashed
keep mum
thick-skinned
unannoyable
unattentive
unwordy
unirked
nonprofane
unwhining
talk up
man of few words
undemeaning
unprofane
keep shtum
pseudoverbal
unhumorously
nonspeaking
ungroaning
unstuttering
unsmilingly
non-responder
nonexpressive
sing small
unstilted
flatly
nonshrubby
nonconfessional
mute
unpitied
unemotively
unannoyed
underspeak
unpolitely
quiet
unnoxious
taciturnly
ungratified
unvoyeuristic
unobnoxious
unendearing
nonnoxious
unturpentined
go on
unstammering
non-pedantic
nonspeaker
unlamentable
unsmirking
unteased
unadmittedly
nonvoyeuristic
unpedantic
averbal
save one's breath to cool one's porridge
unpitying
unmeek
unguestlike
nongullible
nonexudative
mouth the words
silent
ungrumbling
unshrugging
uncommiserating
unshouted