1. insidiousness

noun. The quality of being designed to entrap.
Synonyms
treachery perfidy perfidiousness
Antonyms
loyalty wholesomeness constructiveness

2. insidiousness

noun. Subtle and cumulative harmfulness (especially of a disease).
Synonyms
harmfulness injuriousness
Trending Searches 🔥
antonym wordsmith good brainstorm babushka happy potential critical-thinking seamless mindset survivor out-of-the-box thinking words synonym perspective dehumanize different chastised important bittersweet predator hungry availability jetsam show