harshest
har-shest
adjective
The superlative form of 'harsh', meaning most severe, unpleasant, or difficult.
"This winter was the harshest in decades."
Thesaurus
Synonyms: harsh, abrasive, disagreeable, unkind, rough, open, large-grained, coarse-grained, granulated, coarse, plushy, mealy
Antonyms: fine