| unattending(adjective, cold, forget, uncaring, inattentive) |
| unaware(thoughtless, unqualified, unsuspecting, unready, ill-advised) |
| uncircumspect(adjective, neglect, thoughtless, heedless) |
| unheedful(adjective, cold, forget, uncaring, inattentive) |
| unknowing(adjective, thoughtless, ill-advised) |
| unlistening(adjective, cold, forget, uncaring, inattentive) |
| unobliging(adjective, cold, forget, uncaring, inattentive) |
| unregardful(adjective, cold, forget, uncaring, inattentive) |
| unsolicitous(adjective, cold, forget, uncaring, inattentive) |
| confiding(adjective, innocent, gullible) |
| easy(adjective, innocent, gullible) |
| goofing off(expression, rash, oblivious, neglectful) |
| hotheaded(careless, thoughtless, impulsive, rash, reckless) |
| ill-considered(adjective, careless, foolish, stupid, bold) |
| napping(unqualified, unsuspecting, unready) |
| off guard(expression, adjective, careless, innocent, rash) |
| precipitate(verb, careless, thoughtless, impulsive, rash) |
| shortsighted(adjective, unmindful) |
| simple(adjective, innocent, naive, gullible) |
| slapdash(rash, oblivious, neglectful) |