The term 'Most Like a Wallflower' can be summarized by two crossword solutions: 'Shiest' (6 letters) and 'Meekest' (7 letters). A wallflower is someone who is shy and introverted, so these two words describe someone who is very timid and unassuming. The word 'shiest' means to be very shy and timid, while 'meekest' means to be very humble and submissive. Both words imply a person who is not likely to draw attention to themselves or take risks.