Synonyms for harsh

acerbic, austere, bitter, brutal, callous, drastic, extreme, gritty, hard, harshly, hostile, intense, mordant, over-critical, over-exacting, overstrict, repressive, rigid, rigorous, rough, scathing, severe, sharp, spartan, stark, stern, stringent, tough, unkind, unmerciful, unsympathetic, violent, vituperative