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Definitions

severely

[suh-veer-lee] / səˈvɪər li /
ADVERB
harshly
Synonyms
STRONGEST
acutely badly critically dangerously extremely firmly markedly painfully seriously sharply sorely sternly strictly
STRONG
gravely hard
WEAK
hardly intensely rigorously roughly with an iron hand
Antonyms
STRONGEST
mildly
WEAK
compassionately lightly

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.