Insidious sinister Synonyms
Insidious replaced
Synonyms for phrase
IS abbreviation
IS is an abbreviation for Insidious SinisterWhat does IS stand for?
IS stands for "Insidious Sinister" Definitions for Sinister
- (adjective) being or showing a sign of evil or calamity to come
- (adjective) stemming from evil characteristics or forces; wicked or dishonorable
- (adjective) threatening or foreshadowing evil or tragic developments