| ad-lib(fake, unqualified, unprepared, unplanned, unrehearsed) |
| caught off guard(expression, idiom, unqualified, vulnerable, unaware) |
| dashed off(expression, fake, unprepared, unplanned, unrehearsed) |
| extemporaneous(fake, unprepared, unplanned, unrehearsed, unscripted) |
| extemporized(fake, unprepared, unplanned, unrehearsed, winged) |
| fake(unprepared, unplanned, unrehearsed, unscripted) |
| faked(fake, unprepared, unplanned, unrehearsed, winged) |
| impromptu(adjective, adverb, unqualified, unprepared, unplanned) |
| improv(fake, unprepared, unplanned, unrehearsed, unscripted) |
| improvised(unqualified, unprepared, unplanned, unrehearsed, unsuspecting) |
| improviso(fake, unprepared, unplanned, unrehearsed, unscripted) |
| napping(unqualified, vulnerable, unaware, unsuspecting, unready) |
| not prepared(expression, unqualified, vulnerable, unaware, unsuspecting) |
| not ready(expression, unqualified, vulnerable, unaware, unsuspecting) |
| off the cuff(expression, adjective, idiom, unqualified, unprepared) |
| offhand(unqualified, unprepared, unplanned, unrehearsed, unsuspecting) |
| shot from the hip(expression, fake, unprepared, unplanned, unrehearsed) |
| spontaneous(unqualified, unprepared, unplanned, unrehearsed, unsuspecting) |
| spur-of-the-moment(unprepared, unplanned, unrehearsed) |
| surprised(unqualified, vulnerable, unaware, unsuspecting, unready) |