Reverse Dictionary: PERNICIOUS

ADJECTIVES
► BALE actively evil, deadly, dire, pernicious, destructive, fatal, cruel, tormenting → a1000 obs.
► BALEFUL full of malign, deadly, or noxious influence; pernicious, destructive, noxious, injurious, mischievous, malignant → a1000

NOUNS
► ADDER a treacherous, deceitful, malicious, or pernicious thing → c1000

NOUNS – PERSON
► ADDER a treacherous, deceitful, malicious, or pernicious person; also, a term of abuse → c1000