| foolish(adjective, careless, stupid, thoughtless, impulsive) |
| harebrained(adjective, careless, wild, thoughtless, impulsive) |
| headforemost |
| heedlessly |
| hurriedly(adverb, hastily, impulsively, rashly) |
| ill-advised(adjective, rude, violent, careless, wild) |
| impetuously(adverb, hastily, impulsively, rashly) |
| impulsively(adverb, hastily, rashly) |
| inconsiderate(adjective, rude, wild, quick, thoughtless) |
| irrational(careless, thoughtless, impulsive, reckless, impetuous) |
| mad(passionate, violent, thoughtless, abrupt, impetuous) |
| passionate(adjective, violent, careless, enthusiastic, excited) |
| pell-mell(adverb, carelessly, hurriedly) |
| posthaste(adjective, adverb, fast, rapid, swift) |
| precipitously(adverb, hastily, impulsively, rashly) |
| recklessly(adverb, hastily, impulsively, rashly) |
| rushed(adjective, quick, summary, swift, instant) |
| sharp(adjective, course, steep, sheer, sudden) |
| snappy(adjective, keen, prompt, energetic, violent) |
| spontaneous(noun, adjective, thoughtless, rash, unthinking) |