| disregardful(rash, oblivious, neglectful) |
| extramarital |
| frothy |
| goofing off(expression, rash, oblivious, neglectful) |
| harebrained(wild, thoughtless, daring, deed, carefree) |
| hasty(adjective, careless, wild, thoughtless, heedless) |
| headlong(wild, thoughtless, daring, negligent, carefree) |
| helter-skelter(wild, thoughtless, daring, negligent, carefree) |
| hotheaded(adjective, careless, wild, thoughtless, heedless) |
| ill-advised(adjective, careless, wild, thoughtless, heedless) |
| inadvertent(rash, oblivious, neglectful) |
| indiscreet(adjective, careless, wild, thoughtless, heedless) |
| irreflective(rash, oblivious, neglectful) |
| kooky(wild, thoughtless, daring, negligent, carefree) |
| licentious(adjective, immoral, uncontrolled) |
| light |
| lightsome |
| madcap(adjective, careless, wild, thoughtless, heedless) |
| mindless(wild, thoughtless, daring, negligent, carefree) |
| neglectful(adjective, careless, thoughtless, rash, heedless) |