| deaf to(expression, adjective, unconcerned, ignorant, unconscious) |
| easygoing(soft, tolerant, slack, lenient, remiss) |
| feckless(adjective, careless, careful, thoughtless, rash) |
| foolish(adjective, careless, silly, thoughtless, senseless) |
| frantic(adjective, reckless) |
| hasty(adjective, sharp, rude, careless, indifferent) |
| impetuous(careless, bold, thoughtless, rash, wary) |
| in a trance |
| indiscreet(adjective, sharp, rude, careless, indifferent) |
| indolent(adjective, careless, casual, negligent, lax) |
| innocent(adjective, thick, ignorant, unfamiliar, unconscious) |
| instinctive(careless, thoughtless, ignorant, hidden, unconscious) |
| involuntary(ignorant, hidden, unconscious, unknowing, unaware) |
| lackadaisical(careless, casual, negligent, lax, happy-go-lucky) |
| loose(adjective, indifferent, casual, thoughtless, sloppy) |
| madcap(adjective, careless, bold, thoughtless, unkind) |
| obtuse(adjective, silly, foolish, innocent, senseless) |
| off |
| out of it(expression, adjective, idiom, careless, silly) |
| out to lunch(expression, adjective, idiom, careless, unconcerned) |