insidious
0 antonyms and opposites of insidious, grouped by meaning.
Adjective — Causing harm slowly and quietly, so the danger isn't obvious until real damage is done.
We haven't recorded synonyms for insidious yet. You can still read its full definition, where it comes from, or words that rhyme with it.
How to use insidious
The word patterns that sound natural to a native speaker.
Etymology
From Latin insidiosus ("cunning, deceitful"), related to insidiae ("an ambush"), from insidere ("to sit in wait").
Full origin of insidious →Frequently asked questions
What does “insidious” mean?
The word “insidious” means causing harm slowly and quietly, so the danger isn't obvious until real damage is done. In plain terms, something harmful that creeps up on you gradually rather than announcing itself.
How do you pronounce “insidious”?
“Insidious” is pronounced ihn-SIH-dee-uhs (/ɪnˈsɪdi.əs/ in IPA).
How do you use “insidious” in a sentence?
Here is “insidious” used in a sentence: “The disease is insidious, showing almost no symptoms until it has spread.”
What part of speech is “insidious”?
“Insidious” is an adjective.
Where does the word “insidious” come from?
The word “insidious” comes from Latin. From Latin insidiosus ("cunning, deceitful"), related to insidiae ("an ambush"), from insidere ("to sit in wait").
Is “insidious” a common word?
“Insidious” is an uncommon word in modern English.