mum

equivalents

incommunicative

uncommunicative

synonyms

act

anaudic

aphasic

aphonic

breathless

brief

brusque

close

close-tongued

closemouthed

concise

curt

dumb

dumbfounded

dumbstricken

dumbstruck

economical of words

inarticulate

indisposed to talk

laconic

ma

mam

mama

mammy

mater

mom

mommy

mummy

mute

old woman

quiet

short

silence

silent

silent

snug

sparing of words

speechless

stricken dumb

taciturn

terse

tight-lipped

tongue-tied

tongueless

unloquacious

untalkative

voiceless

word-bound

wordless

variants

mummed

mumming

hypernyms

chrysanthemum

female parent

mother

secrecy

secretiveness

silence

same-contexts

dad

no-one

phil

well

rhymes

Brum

Krum

alum

become

brum

bum

chum

clum

come

crum

crumb

cum

drum

dum

dumb

from

frum

glum

grum

gum

hum

lum

mumm

mumme

numb

plum

plumb

rum

scum

slum

some

strum

stum

succumb

sum

swum

thum

thumb

um

umm

yum