| not prepared(expression, adjective, vulnerable, unaware) |
| not ready(expression, adjective, vulnerable, unaware) |
| not rehearsed(expression, adjective, unpracticed) |
| off the hip(expression, adjective, idiom, adverb, offhand) |
| off your own bat(expression, idiom, willing, spontaneous, unforced) |
| on-the-spot(adjective, informal, snap, unrehearsed, snapper) |
| on impulse(expression, adjective, informal, snap, unrehearsed) |
| on the spot(expression, adjective, idiom, snapper, off-the-cuff) |
| overhasty(adjective, foolish, thoughtless, unwise) |
| played by ear(expression, adjective, idiom, vulnerable, unaware) |
| plunging(adjective, violent, fast, quick) |
| precipitant(adjective, violent, fast, quick) |
| quick(adjective, violent, fast) |
| rapid(adjective, violent, fast, quick) |
| rash(adjective, foolish, thoughtless, unwise) |
| reckless(adjective, foolish, thoughtless, unwise) |
| refractory(adjective, violent, fast, quick) |
| rushing(adjective, violent, fast, quick) |
| short-sighted(adjective, foolish, thoughtless, unwise) |
| snap(adjective, informal, unrehearsed) |