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Word of the Day Tuesday, June 9, 2026

insidiously

/ɪnˈsɪdɪəsli/ adverb · British & US
Valid in UKValid in US
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What does insidiously mean?

adverb

In a subtle and cunning manner; in a way that is not immediately noticeable or apparent.

Example

"The company's insidiously increasing prices went unnoticed by many customers."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for insidiously

Antonyms of insidiously

Rhymes with insidiously

Etymologically related