from
The Collaborative International Dictionary of English v.0.48
Incautious \In*cau"tious\, 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]