| Main Entry: | |
| 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: | verb |
| Definition: | improvise speech |
| Synonyms: | extemporize, invent, make up, speak extemporaneously, speak impromptu, speak off the cuff |
| Antonyms: | plan, prepare, rehearse, write |
| Main Entry: | concoct |
| Part of Speech: | verb |
| Definition: | formulate, think up |
| Synonyms: | ad lib, batch, brew*, compound, contrive, cook up, create, design, devise, discover, dream up, envisage, envision, fabricate, frame*, hatch, invent, make up, mature, originate, plan, plot, prefab, prepare, project, scheme, slap together, throw together, vamp |
| Main Entry: | devise |
| Part of Speech: | verb |
| Definition: | conceive, dream up |
| Synonyms: | ad-lib, arrange, blueprint*, brainstorm*, cast, chart, cogitate, come up with, concoct, construct, contrive, cook up, craft, create, design, discover, dope out, fake it, forge, form, formulate, frame*, get off, hatch, head trip, imagine, improvise, intrigue, invent, machinate, make up, mastermind*, plan, play it by ear, plot, prepare, project, scheme, shape, spark, think up, throw together, trump up, vamp, whip up, work out |
| Antonyms: | borrow |
| 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: | extemporize |
| Part of Speech: | verb |
| Definition: | improvise |
| Synonyms: | ad-lib, dash out, devise, do offhand, improvisate, invent, knock off, make up, play by ear, toss off |
| Antonyms: | plan, prepare, read, rehearse |
| Main Entry: | impromptu |
| 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: | improvise |
| Part of Speech: | verb |
| Definition: | make up |
| Synonyms: | ad-lib, brainstorm, coin, concoct, contrive, dash off, devise, do off top of head, do offhand, dream up, extemporize, fake, fake it, improv, improvisate, invent, jam*, knock off, make do, slapdash, spark, speak off the cuff, throw together, wing it |
| Antonyms: | design, devise, plan, premeditate |
| 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 |