Thesaurus.com
Dictionary.com
Definitions

onset

[on-set, awn-] / ˈɒnˌsɛt, ˈɔn- /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Early onset breast cancer” — diagnosed before age 50 — “is going up the fastest among Asian Americans,” Gomez said.

From Los Angeles Times • Jun. 6, 2026

Next month's forecast is likely to be more accurate as to the onset of El Nino and its strength.

From Barron's • Jun. 2, 2026

The study found that a one year course of the biologic drug abatacept significantly delayed the onset of rheumatoid arthritis, with benefits continuing long after treatment ended.

From Science Daily • Jun. 1, 2026

Both the U.S. and global benchmarks are now on pace for their biggest monthly swoon since the start of the onset of the COVID-19 crisis more than six years ago.

From MarketWatch • May 29, 2026

The onset of his chronic migraine headache had also incapacitated him for much of May.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis




Vocabulary lists containing onset


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "onset" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com