Synonyms of extemporaneous

extemporaneous

adjective

as in impromptu

made or done without previous thought or preparation

caught by surprise, I had to make an extemporaneous speech at the awards banquet

Synonyms & Similar Words

• impromptu
• improvisational
• improvised
• extempore
• extemporary
• unrehearsed
• unprepared
• off-the-cuff
• offhand
• offhanded
• unstudied
• unpremeditated
• ad hoc
• spontaneous
• unconsidered
• unplanned
• unauthorized
• ad-lib
• spur-of-the-moment
• informal
• unscripted
• automatic
• snap
• down and dirty
• impulsive
• instinctive
• cursive
• involuntary
• casual
• half-baked
• ill-advised
• half-cocked

Antonyms & Near Antonyms

• prepared
• rehearsed
• premeditated
• intentional
• planned
• deliberate
• considered
• premeditative
• intended

• prepared
• rehearsed
• premeditated
• intentional
• planned
• deliberate
• considered
• premeditative
• intended

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