Answer: SHIEST

AnswerCrossword Clue
SHIESTTimidest.
shiestSHY, bashful (shy)
shiestto start back or aside, as in fear
shiestlacking
shiestbashful
shiesteasily frightened
SHIESTRetiring to the max
SHIESTMost introverted
SHIESTMost timorous
SHIESTMost withdrawn
SHIESTLeast likely to take command
SHIESTLeast forward
SHIESTMost like a wallflower
SHIESTMost retiring.
SHIESTMost timid.
SHIESTLeast outgoing
SHIESTMost wary.
SHIESTDemurest.
SHIESTSuperlatively coy
SHIESTMost diffident
SHIESTMost timid
SHIESTLeast extroverted
SHIESTLeast outspoken
SHIESTMost coy
SHIESTSlowest to mix, perhaps
SHIESTMost reserved
SHIESTLeast gregarious
SHIESTMost retiring
SHIESTMost bashful