extempore

Adjective · Adverb

Synonyms: ad-lib extemporaneous extemporary impromptu offhand offhanded off-the-cuff unrehearsed extemporaneously extemporarily

WordNet 3.0

Adjective (1)

with little or no preparation or forethought“his ad-lib comments showed poor judgment”“an extemporaneous piano recital”“an extemporary lecture”“an extempore skit”“an impromptu speech”“offhand excuses”“trying to sound offhanded and reassuring”“an off-the-cuff toast”“a few unrehearsed comments”Synonyms: ad-lib extemporaneous extemporary impromptu offhand offhanded off-the-cuff unrehearsed

Adverb (1)

without prior preparation“he spoke extemporaneously”Synonyms: extemporaneously extemporarily

Webster's Dictionary (GCIDE)

Extempore \Ex*tem"po*re\, adv. [L. ex out + tempus, temporis, time. See Temporal.] Without previous study or meditation; without preparation; on the spur of the moment; suddenly; extemporaneously; as, to write or speak extempore. --Shak. -- a. Done or performed extempore. "Extempore dissertation." --Addison. "Extempore poetry." --Dryden. -- n. Speaking or writing done extempore. [Obs.] --Bp. Fell. [1913 Webster]