taciturn
brief
brusque
close
close-tongued
closemouthed
concise
curt
dumb
economical of words
indisposed to talk
laconic
mum
mute
quiet
short
silent
snug
sparing of words
speechless
terse
tight-lipped
tongue-tied
unloquacious
word-bound
wordless
anæmic
bleary-eyed
bored-looking
dull-eyed
dumpish
glassy-eyed
heavy-eyed
heavy-headed
misanthropic
misanthropical
pharisaical
puritanic
snappish
songless
unalarmed
ungenerously
ungentle
unobservant
unsympathizing
waspish
talkative