| tossed off(expression, adjective, free, informal, casual) |
| tossed out(expression, adjective, free, informal, casual) |
| unplanned(adjective, free, informal, casual, impulsive) |
| unpremeditated(adjective, free, informal, casual, snap) |
| unprepared(adjective, free, informal, casual, snap) |
| unrehearsed(adjective, adverb, free, casual, offhand) |
| unstudied(adjective, free, informal, casual, impulsive) |
| winging it(expression, adjective, free, casual, unrehearsed) |
| according to pleasure(expression, idiom, spontaneously, improv, extemporaneously) |
| 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) |
| extemporal(unrehearsed, extemporary) |
| extemporaneously(adverb, offhand, impromptu, spontaneously, improv) |
| on the spot(expression, adjective, idiom, free, casual) |
| snapper(adjective, free, casual, unrehearsed, improvised) |
| spontaneously(improv, extemporaneously) |
| unscripted(spontaneous, unprepared, impromptu) |