Severer Synonyms and Antonyms

Requiring great or extreme bodily, mental, or spiritual strength
(Adjective)
Causing fear or anxiety by threatening great harm
(Adjective)
Synonyms:
  1. graver
Difficult or rigorous
(Adjective)
Having great consequence or weight
(Adjective)
Uncompromising
(Adjective)
Antonyms:
  1. gentler
  2. milder
Causing sharp, often prolonged discomfort
(Adjective)