aloof
bookable
booked
diffident
distant
engaged
indrawn
set-aside
upstage
withdrawn
Olympian
Spartan
abbreviated
abridged
antisocial
aposiopestic
backward
bashful
blank
brief
brusque
ceremonious
chilled
chilly
clipped
close
close-lipped
close-tongued
closemouthed
cold
compact
compendious
compressed
concise
condensed
conserved
constrained
contracted
controlled
conventional
cool
crisp
curt
cut
demure
detached
dignified
discreet
docked
elliptic
epigrammatic
expressionless
forbidding
formal
frigid
frosty
reservedly
reservedness
curved
deserved
observed
preserved
served
swerved
underserved
undeserved
unnerved
unpreserved