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Synonyms and Antonyms of extemporary

  1. made or done without previous thought or preparation <caught red-handed, the would-be embezzler proceeded to give some extemporary and not very convincing explanations for her actions> Synonyms ad hoc, ad-lib, down and dirty, extemporaneous, extempore, impromptu, improvisational, improvised, offhand, offhanded, off-the-cuff, snap, spur-of-the-moment, unconsidered, unplanned, unpremeditated, unprepared, unrehearsed, unstudiedRelated Words unscripted; automatic, impulsive, instinctive, involuntary, spontaneous; casual, cursive, informal, unauthorized; half-baked, half-cocked, ill-advisedNear Antonyms deliberate, intended, intentionalAntonyms considered, planned, premeditated, premeditative, prepared, rehearsed

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