Onset Definition

ŏnsĕt, ôn-
noun
A beginning; start; appearance.
The onset of symptoms.
Webster's New World
An attack; assault.
Webster's New World
The part of a syllable that precedes the nucleus. In the word nucleus (no͝o&STRESS;klē-əs), the onset of the first syllable is (n), the onset of the second syllable is (kl), and the last syllable has no onset.
American Heritage

(medicine) The initial phase of a disease or condition, in which symptoms first become apparent.

Wiktionary

(acoustics) The beginning of a musical note or other sound, in which the amplitude rises from zero to an initial peak.

Wiktionary
Synonyms:
Antonyms:
verb
(obsolete) To assault; to set upon.
Wiktionary
(obsolete) To set about; to begin.
Wiktionary

Other Word Forms of Onset

Noun

Singular:
onset
Plural:
onsets

Origin of Onset

  • From on- +"Ž set. Compare Old English onsettan (“to impose; oppress, bear down").

    From Wiktionary

Onset Sentence Examples

  • It might onset a war.

  • As a rule the onset is sudden and well marked.

  • The onset of the flu was abrupt with fever followed by vomiting, abdominal pain and profuse diarrhea.

  • Another often successful method of preventing the onset of symptoms of poisoning is to administer small doses of ammonium carbonate with the drug, thereby neutralizing the iodic acid which is liberated in the stomach.

  • The cause of juvenile onset diabetes, which can kill so quickly, remained a mystery until this century.

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Words Starting With

OONONS

Words Ending With

TETSET

Unscrambles

onset

Words Starting With O and Ending With T

Starts With O & Ends With TStarts With ON & Ends With TStarts With O & Ends With ET

Word Length

5 Letter Words5 Letter Words Starting With O5 Letter Words Ending With T