reticent Synonyms
restrained
untalkative
reserved
tight-lipped
self-effacing
retiring
unemotional
reluctant
unwilling
taciturn
timid
tongue-tied
unassuming
unassured
unsociable
unobtrusive
silentious
speechless
reserve
secretive
self-conscious
self-contained
shrinking
shy
silent
verecund
withdrawn
shier
repressed
self-deprecating
unsocial
tightlipped
undemonstrative
uneager
unexpansive
unforthcoming
unostentatious
unresponsive
wordless
unassertive
shyer
unapproachable
buttoned-up
cagey
cagy
standoffish
uncommunicative
unimpressionable
aloof
diffident