thought·less /-ləs/
 (a.)沒有考慮的,無深慮的,輕率的


 Thought·less, adv.
 1. Lacking thought; careless; inconsiderate; rash; as, a thoughtless person, or act.
 2. Giddy; gay; dissipated. [R.]
 3. Deficient in reasoning power; stupid; dull.
    Thoughtless as monarch oaks that shade the plain.   --Dryden.
 -- Thought*less*ly, adv. -- Thought*less*ness, n.

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 thoughtless
      adj 1: showing lack of careful thought; "the debate turned into
             thoughtless bickering" [ant: thoughtful]
      2: marked by or paying little heed or attention; "We have
         always known that heedless self-interest was bad morals;
         we know now that it is bad economics"--Franklin D.
         Roosevelt; "heedless of danger"; "heedless of the child's
         crying" [syn: heedless, unheeding] [ant: heedful]
      3: without care or thought for others; "the thoughtless saying
         of a great princess on being informed that the people had
         no bread; `Let them eat cake'" [syn: uncaring, unthinking]
      4: (usually followed by `of') without due thought or
         consideration; "careless of the consequences"; "the
         proverbial grasshopper--thoughtless of tomorrow";
         "crushing the blooms with regardless tread" [syn: careless(p),
          thoughtless(p), regardless]