INCAUTIOUSLY
incautiously, carelessly
(adverb) without caution or prudence; “one unfortunately sees historic features carelessly lost when estates fall into unsympathetic hands”
Source: WordNet® 3.1
Etymology
Adverb
incautiously (comparative more incautiously, superlative most incautiously)
In an incautious manner; with a lack of caution.
Antonyms
• cautiously
Source: Wiktionary
INCAUTIOUS
In*cau"tious, a. Etym: [Pref. in- not + cautious: cf. L. incautus.]
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition