thelernen logothelernen
Start for free

Definition and meaning of English word "insidious"

insidious

/ɪnˈsɪd.i.əs/

Meaning

Adjective

Proceeding in a gradual, subtle way, but with harmful effects.

Reviewed by the TheLernen language teamDefinition sourced from Wiktionary (CC BY-SA 4.0)

🇬🇧 English

insidious

Example

Glaucoma is an insidious disease that often causes irreversible vision loss.

Glaucoma is an insidious disease that often causes irreversible vision loss.

Your personal vocabulary

🦊 Use this word in a live AI conversation

Frequency rank: #1538 in English

🦊

Learn them all! 🚀

Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.

Start Learning For Free →

No sign-up required

Frequently Asked Questions

What does the English word "insidious" mean?

The English word "insidious" means "insidious" in English.

How do you pronounce the English word "insidious"?

You can hear the correct audio pronunciation of the word "insidious" by clicking the play button next to the word at the top of this page.

Can I see an example sentence with "insidious"?

Yes, here is a practical example: "Glaucoma is an insidious disease that often causes irreversible vision loss." (which translates as "Glaucoma is an insidious disease that often causes irreversible vision loss.").

More Abstract Concepts words

Related reading