Definition: the beginning of something
Part of Speech: Noun
Synonym(s): alpha, beginning, birth
Antonym(s): conclusion, end
1. If you catch the disease at its onset and treat it properly, you can still live a long life.
2. At the onset of the game, a couple of football players will participate in a coin toss to see which team receives the ball first.
3. Be sure and take the medicinal drops at the onset of your cold; the actions will speed up your recovery time.