Answer: COYEST

AnswerCrossword Clue
COYESTLeast forthcoming
coyestpretending to be shy or embarrassed
coyestowing reluctance to make a definite commitment a coy response
coyestCOY, bashful (shy (bashful))
coyestshrinking from contact or familiarity 'tis but a kiss I beg, Why art thou coy? William Shakespeare
COYESTLeast forward
COYESTLeast brazen
COYESTCoquettish in the extreme
COYESTMost demure
COYESTMost demure.
COYESTFlirtatious to the max
COYESTMaximally shrinking
COYESTLeast straightforward
COYESTCoquettish to the max
COYESTMost coquettish
COYESTMost reserved
COYESTMost shy
COYESTMost modest
COYESTLike the most subtle of flirts