01 a. Not cautious; not circumspect; not attending to the circumstances on which safety and interest depend; heedless; careless; as, an incautiou…
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1.
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.