Meaning of the word onset in English

What does onset mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

onset

US /ˈɑːn.set/
UK /ˈɑːn.set/
"onset" picture

Noun

1.

the beginning of something, especially something unpleasant

Example:
The onset of winter brought cold weather.
Early onset of the disease makes it harder to treat.
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