a. [ Pref. in- not + cautious: cf. L. incautus. ] Not cautious; not circumspect; not attending to the circumstances on which safety and interest depend; heedless; careless; as, an incautious step; an incautious remark. [ 1913 Webster ] You . . . incautious tread On fire with faithless embers overspread. Francis. [ 1913 Webster ] 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. [ 1913 Webster ] |