| ad-lib(adjective, adverb, manner, offhand, impromptu) |
| by ear(expression, adverb, offhand, impromptu, spontaneously) |
| coarse |
| crude |
| extemporaneously(adverb, offhand, impromptu, spontaneously, improv) |
| impromptu(adjective, adverb, offhand, extemporaneous, spontaneously) |
| improvised(adjective, adverb, offhand, impromptu, extemporaneous) |
| off the cuff(expression, idiom, impromptu, extemporaneous, spontaneously) |
| off the hip(expression, idiom, offhand, impromptu, throwaway) |
| offhand(adjective, adverb, impromptu, extemporaneous) |
| spur of the moment(expression, idiom, adverb, offhand, impromptu) |
| unrehearsed(adjective, adverb, offhand, impromptu, extemporaneous) |
| abortive |
| according to pleasure(expression, idiom, spontaneously, improv, extemporaneously) |
| ad lib(expression, impromptu, spontaneously, improv, ad-lib) |
| ad libitum(expression, spontaneously, improv, extemporaneously) |
| as one thinks best(expression, idiom, spontaneously, improv, extemporaneously) |
| as one wishes(expression, idiom, spontaneously, improv, extemporaneously) |
| at will(expression, spontaneously, improv, extemporaneously) |
| automatically(spontaneously, improv, extemporaneously) |