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Word of the Day Tuesday, June 9, 2026

onset

/ɒnˈsɛt/ noun, verb · British & US
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What does onset mean?

noun, verb

The beginning or initial stage of something, especially a disease or a psychological condition. To begin or start something.

Example

"The onset of symptoms was sudden and severe, requiring immediate medical attention."

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

Synonyms for onset

Antonyms of onset

Rhymes with onset

Etymologically related