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1 (wiktionary)
2 (it.wikipedia)
3 (en.wikipedia)
4 (glosbe)
Verbs
Nouns
Adjectives/Adverbs
Pronouns
Prepositions
Conjunctions
insidious (Advanced search)
CORE WORDS
SAT5000
insidious
Working ill by slow and stealthy means.
adj.
COMPOUND WORDS
insidious
{adj}
(treacherous) SEE: treacherous ::
5000 WORDS
PHRASES