onset

noun
UK: /ˈɒnset/
US: /ˈɑːnset/

  1. The beginning or start of something.

    1. The onset of winter brings cold weather.
    2. The rapid onset of the disease worried the doctors very much.

  2. The moment at which something unpleasant begins.

    1. The patient felt the onset of a headache.
    2. Early treatment can delay the onset of serious health problems.

Synonyms

beginning start commencement outset
onset transitive-verb

  1. To begin or start something; to initiate.

    1. The project will onset next week.
    2. They will onset the new system after testing and training.

Frequently Asked Questions

The word "onset" in English means: The beginning or start of something., The moment at which something unpleasant begins..

The phonetic transcription of "onset" is /ˈɒnset/ in British English and /ˈɑːnset/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "onset": beginning, start, commencement, outset.

Example usage of "onset": "The onset of winter brings cold weather.". More examples on the page.