im·pet·u·ous /ɪmˈpɛʧwəs, ˈpɛʧə-/
 (a.)衝動的,猛烈的,輕率的,急躁的


 Im·pet·u·ous a.
 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.
 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.
 -- Im*pet*u*ous*ly, adv. -- Im*pet*u*ous*ness, n.

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 impetuous
      adj 1: characterized by undue haste and lack of thought or
             deliberation; "a hotheaded decision"; "liable to such
             impulsive acts as hugging strangers"; "an impetuous
             display of spending and gambling"; "madcap escapades";
             (`brainish' is archaic) [syn: hotheaded, impulsive,
              madcap, tearaway(a), brainish]
      2: marked by violent force; "impetuous heaving waves"