| without restraint(expression, adjective, adverb, impulsive, improv) |
| Band-Aid |
| ad hoc(expression, adjective, informal, impromptu, unplanned) |
| automatically(spontaneously, improv, extemporaneously) |
| by ear(expression, spontaneously, improv, extemporaneously) |
| extemporaneously(spontaneously, improv) |
| extemporize(informal, unplanned, off-the-cuff, extemporise) |
| improv(spontaneously, extemporaneously) |
| impulsive(adverb, extemporaneous) |
| informal(unplanned, off-the-cuff) |
| makeshift(informal, unplanned, off-the-cuff) |
| off the cuff(expression, idiom, spontaneously, improv, extemporaneously) |
| off the hip(expression, idiom, spontaneously, improv, extemporaneously) |
| off the top of head(expression, idiom, spontaneously, improv, extemporaneously) |
| off top of head(expression, idiom, spontaneously, improv, extemporaneously) |
| spur of the moment(expression, idiom, spontaneously, improv, extemporaneously) |
| unplanned(informal, off-the-cuff) |
| without preparation(expression, spontaneously, improv, extemporaneously) |
| without preparing(expression, spontaneously, improv, extemporaneously) |
| without rehearsal(expression, spontaneously, improv, extemporaneously) |