01 a. Rushing with force and violence; moving with impetus; furious; forcible; violent; as, an impetuous wind; an impetuous torrent.
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1.
Rushing with force and violence; moving with impetus; furious; forcible; violent; as, an impetuous wind; an impetuous torrent.“Went pouring forward with impetuous speed.” — Byron.
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2.
Vehement in feeling; hasty; passionate; violent; as, a man of impetuous temper.“The people, on their holidays, Impetuous, insolent, unquenchable.” — Milton.
Syn.
Forcible; rapid; hasty; precipitate; furious; boisterous; violent; raging; fierce; passionate.