insidious
(in-sid-i-ous)
4 syllables
Definition
adjective. something that is harmful but not obvious.
Example Sentence
They hatched an insidious plot.
More Example Sentences
He had insidious thoughts about his rival.
Synonyms
Antonyms
Hear It! Say It! Write It!
insidious
Rhymes
- hideous
- fastidious
- insidious
- invidious