Other crossword clues for answer "STERNEST"STERNESTLeast likely to smileMost stringentMost unyieldingMost severeLeast lenientMost harshMost strictLeast forgivingHarshest.Most inexorable.Most rigorous.Most uncompromising.Most unrelenting.Most forbiddingMost demandingSuperlatively severeMost austereMost unforgivingLeast 38-Down