in·cau·tious /-ʃəs/
 (a.)不小心的,輕率的,不注意的
 In·cau·tious a.  Not cautious; not circumspect; not attending to the circumstances on which safety and interest depend; heedless; careless; as, an incautious step; an incautious remark.
 You . . . incautious tread
 On fire with faithless embers overspread.   --Francis.
    His rhetorical expressions may easily captivate any incautious reader.   --Keill.
 Syn: -- Unwary; indiscreet; inconsiderate; imprudent; impolitic; careless; heedless; thoughtless.
 -- In*cau*tious*ly, adv. -- In*cau*tious*ness, n.
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 incautious
      adj 1: lacking in caution; "an incautious remark"; "incautious
             talk" [ant: cautious]
      2: without out proper caution; "an incautious step sent her
         headlong down the stairs"
      3: displaying or feeling no wariness; "an unguarded remark";
         "spilled the beans in an incautious moment" [syn: unguarded]