1. lacking in caution
; - Example: "an incautious remark"- Example: "incautious talk"
2. carelessly failing to exercise proper caution
; - Example: "an incautious step sent her headlong down the stairs"
The Collaborative International Dictionary of English v.0.48:
Incautious \In*cau"tious\, a. [Pref. in- not + cautious: cf. L.
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.
WordNet (r) 3.0 (2006):
adj 1: lacking in caution; "an incautious remark"; "incautious
talk" [ant: cautious]
2: carelessly failing to exercise proper caution; "an incautious
step sent her headlong down the stairs"
Moby Thesaurus II by Grady Ward, 1.0:
32 Moby Thesaurus words for "incautious":
asleep, brash, brazen, brazenfaced, goofing off, hubristic,
improvident, imprudent, impudent, indiscreet, injudicious,
insolent, napping, nodding, off-guard, overbold, overcareless,
overconfident, oversure, overweening, rash, sleeping, temerarious,
unalert, uncautious, unchary, unguarded, unprepared, unready,
unvigilant, unwary, unwatchful