| light(adjective, feature, state, easy, wild) |
| misguided(adjective, foolish, thoughtless, rash, unwise) |
| nutty(silly, thoughtless, unwise) |
| out of the blue(adjective, sudden) |
| overbold(adjective, mad, bold, naughty, impudent) |
| perky(adjective, feature, state, trait, mad) |
| plucky |
| preposterous(adjective, careless, wild, silly, foolish) |
| quixotic |
| ridiculous(adjective, silly, stupid, thoughtless, excessive) |
| senile(adjective, neglectful) |
| sensitive(adjective, nervous, emotional, restless, volatile) |
| short-sighted(adjective, silly, foolish, thoughtless, rash) |
| spendthrift(adjective, free, careless, wild, extravagant) |
| spirited(adjective, feature, state, trait) |
| spontaneous(noun, adjective, careless, casual, thoughtless) |
| stupid(careless, silly, foolish, crazy, thoughtless) |
| swift(adjective, violent, fast, quick, thoughtless) |
| tactless(adjective, rude, thoughtless, impulsive, unkind) |
| touchy(adjective, nervous, emotional, restless, fiery) |