| insuppressible(careless, thoughtless, impulsive, reckless, hasty) |
| intractable(determined, impulsive, stubborn, reckless, impetuous) |
| jumping to conclusions(expression, idiom, careless, thoughtless, impulsive) |
| laughable |
| leaving self wide open(expression, careless, foolish, thoughtless, rash) |
| locked-in(determined, impulsive, stubborn, reckless, heedless) |
| loony(silly, foolish, fantastic, unwise, impractical) |
| madbrain |
| madbrained |
| misguided(adjective, foolish, thoughtless, rash, unwise) |
| mule(determined, impulsive, stubborn, reckless, heedless) |
| mulish(determined, impulsive, stubborn, reckless, impetuous) |
| murder(determined, impulsive, stubborn, reckless, heedless) |
| naive(foolish, rash, risky, candid, spontaneous) |
| obtrusive(adjective, smart, bold, brave, impulsive) |
| odd(silly, foolish, fantastic, unwise, impractical) |
| of unsound mind(expression, idiom, silly, foolish, fantastic) |
| off deep end(adjective, rash, impetuous) |
| off the deep end(expression, careless, foolish, thoughtless, rash) |
| opportunistic |