| Main Entry: | |
| Part of Speech: | adjective, adverb |
| Definition: | unrehearsed, improvised |
| Synonyms: | ad-lib, dashed off, extemporaneous, extempore, extemporized, fake, faked, improv, improviso, off the cuff, offhand, played by ear, shot from the hip, spontaneous, spur-of-the-moment, thrown off, tossed off, unpremeditated, unprepared, unscripted, unstudied, vamped, whipped up, winged* |
| Notes: | extemporaneous means 'prepared in advance and carried out with few or no notes' while impromptu means 'totally unprepared, performed on the spur of the moment' - but this distinction has been all but lost impromptu conveys unrehearsed remarks or performance with an element of surprise, while extempore only suggests that this is done without notes or props |
| Antonyms: | deliberate, designed, planned, premeditated, rehearsed |
| Main Entry: | ad-lib |
| Part of Speech: | adjective |
| Definition: | at one's pleasure |
| Synonyms: | according to pleasure, ad libitum, as one thinks best, as one wishes, at will, extemporaneous, extempore, extemporize, extemporized, impromptu, improvise, improvised, made-up, off-the-cuff, off-the-cuff, spontaneous, unprepared, unrehearsed, without restraint |
| Antonyms: | deliberate, planned, prepared, rehearsed, written |
| Main Entry: | ad-lib |
| Part of Speech: | adverb |
| Definition: | in an improvised manner |
| Synonyms: | extemporaneously, extempore, impromptu, off the cuff, off the top of one's head, spontaneously, without preparation, without rehearsal |
| Antonyms: | deliberately, planned, prepared, rehearsed, written |
| Main Entry: | casual |
| Part of Speech: | adjective |
| Definition: | chance, random |
| Synonyms: | accidental, adventitious, by chance, contingent, erratic, extemporaneous, extempore, fluky, fortuitous, impromptu, improvised, impulsive, incidental, infrequent, irregular, occasional, odd, offhand, serendipitous, spontaneous, uncertain, unexpected, unforeseen, unintentional, unplanned, unpremeditated |
| Notes: | casual means suited for everyday use, informal or occurring by chance - while causal means involving or constituting a cause |
| Antonyms: | deliberate, painstaking, planned, premeditated |
| Main Entry: | extemporaneous/extemporary |
| Part of Speech: | adjective |
| Definition: | unrehearsed, improvised |
| Synonyms: | ad hoc, ad lib, at first glance, automatic, by ear, casual, expedient, extempore, free, immediate, impromptu, improv, improvisatory, improviso, informal, jamming, made-up, makeshift, off the cuff, off the top of head, offhand, on impulse, on-the-spot, snap, spontaneous, spur-of-the-moment, taking for ride, thought out loud, tossed off, tossed out, unplanned, unpremeditated, unprepared, unstudied, winging it |
| Antonyms: | planned, prepared, read, rehearsed, written |
| Main Entry: | improvised |
| Part of Speech: | adjective |
| Definition: | made-up |
| Synonyms: | Band-Aid, ad-lib, autoschediastic, extemporaneous, extempore, extemporized, fly-by-night, hit-or-miss, impromptu, improviso, makeshift, offhand, spontaneous, spur-of-the-moment, unprepared, unrehearsed, unstudied |
| Antonyms: | designed, planned, premediated, rehearsed |
| Main Entry: | offhand |
| Part of Speech: | adjective |
| Definition: | ad-lib, extemporaneous |
| Synonyms: | extemporary, extempore, impromptu, improvised, informal, off the cuff, off the hip, off the top of head, spontaneous, spur-of-the-moment, throwaway, unpremeditated, unprepared, unrehearsed, unstudied, without preparation |
| Antonyms: | planned, practiced |
| Main Entry: | spontaneous |
| Part of Speech: | adjective |
| Definition: | impulsive, willing |
| Synonyms: | ad-lib, automatic, break loose, casual, down, extemporaneous, extempore, free, free spirited, from the hip, impetuous, impromptu, improvised, inevitable, instinctive, involuntary, irresistible, natural, off top of head, off-the-cuff, offhand, simple, unartful, unavoidable, unbidden, uncompelled, unconscious, unconstrained, uncontrived, uncontrolled, unforced, unintentional, unplanned, unpremediated, unprompted, unsophisticated, unstudied, up front, voluntary |
| Antonyms: | deliberate, intended, planned, premeditated |
| Main Entry: | stopgap |
| Part of Speech: | adjective |
| Definition: | temporarily helping |
| Synonyms: | Band-Aid, emergency, expedient, impromptu, improvised, makeshift, practical, provisional, rough-and-ready, rough-and-tumble, substitute, temp, temporary, throwaway |
| Antonyms: | completed, finished, permanent, solved |