Insidiously
//ɪnˈsɪdi.əsli// adv
adv ·Rare ·Advanced level
Definitions
Adverb
- 1 in an insidious manner
Adverb
- 1 in a harmfully insidious manner wordnet
Example
More examples"If only there were evil people somewhere insidiously committing evil deeds, and it were necessary only to separate them from the rest of us and destroy them. But the line dividing good and evil cuts through the heart of every human being. And who is willing to destroy a piece of his own heart?"
Etymology
From insidious + -ly.
More for "insidiously"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.