| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | not careful |
| Synonyms: | any old way, bold, brash, careless, caught napping, devil-may-care, fast-and-loose, foot-in-mouth, hasty, heedless, hotheaded, ill-advised, ill-judged, impetuous, improvident, imprudent, impulsive, inconsiderate, indiscreet, injudicious, madcap, neglectful, negligent, off guard, pay no mind, playing with fire, precipitate, rash, reckless, regardless, sticking one's neck out, thoughtless, unalert, unguarded, unmindful, unthinking, unvigilant, unwatchful, wary, wide open |
| Antonyms: | careful, cautious, discreet, thoughtful |
| Main Entry: | unguarded |
| Part of Speech: | adjective |
| Definition: | thoughtless; unwary |
| Synonyms: | accessible, artless, candid, careless, casual, direct, foolhardy, frank, headlong, heedless, honest, ill-considered, impolitic, imprudent, impulsive, incautious, indiscreet, ingenuous, naive, offhand, rash, spontaneous, straightforward, unalert, uncircumspect, unconscious, undiplomatic, unpremeditated, unreflective, unthinking, unvigilant, unwatchful, unwise, vulnerable, weak |
| Antonyms: | careful, cautious, thoughtful |
| Main Entry: | unwary |
| Part of Speech: | adjective |
| Definition: | thoughtless, heedless |
| Synonyms: | brash, careless, credulous, hasty, ignorant, ill-advised, impetuous, imprudent, incautious, inconsiderate, indiscreet, negligent, rash, reckless, unadvised, unalert, uncircumspect, unguarded, unprepared, unsuspecting, unsuspicious, unvigilant, unwatchful |
| Antonyms: | cautious, heeding, mindful, thoughtful, wary |
| Main Entry: | off-guard |
| Part of Speech: | adverb |
| Definition: | when not paying attention |
| Synonyms: | asleep, asleep at the switch, derelict, flat-footed, napping, negligent, not on the job, unalert, unguarded, unprepared, unready, unwatchful |