onset
noun
the beginning or early stages
“the onset of pneumonia”
Synonymsoncoming(military) an offensive against an enemy (using weapons)
“the attack began at dawn”
Source: WordNet 3.1, Princeton University
What does “onset” mean? Definitions, examples, synonyms and opposites.
“onset” is a noun with 2 meanings. Its most common meaning is: the beginning or early stages.
the beginning or early stages
“the onset of pneumonia”
(military) an offensive against an enemy (using weapons)
“the attack began at dawn”
Source: WordNet 3.1, Princeton University