Synonyms, Thesaurus & Antonyms of 'extemporaneous'
Princeton's WordNet
1. (adj)ad-lib, extemporaneous, extemporary, extempore, impromptu, offhand, offhanded, off-the-cuff, unrehearsed with little or no preparation or forethought Synonyms: unwritten, unrehearsed, ad-lib, off-the-cuff, extemporaneous, extempore, offhand, spontaneous, extemporary, impromptu, offhanded Antonyms: prepared
Synonyms, Thesaurus & Antonyms of 'extemporaneous'
English Synonyms and Antonyms
1. extemporaneous Extemporaneous, originally signifying of or from the time or occasion, has come to mean done or made with but little (if any) preparation, and is now chiefly applied to addresses of which the Synonyms: extemporaneous, extemporary, impromptu, offhand, extempore, improvised, unpremeditated Antonyms: elaborated, premeditated, prepared, read, recited, studied, written
Synonyms for extemporaneous 
