
1) Least extroverted 2) Least forward 3) Least outgoing 4) Least outspoken 5) Most bashful 6) Most coy 7) Most diffident 8) Most introverted 9) Most like a wallflower 10) Most likely to retreat 11) Most reserved 12) Most retiring 13) Most timid 14) Most timorous 15) Most unlikely to do karaoke 16) Most withdrawn
Found on
https://www.crosswordclues.com/clue/shiest
No exact match found.