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Showing results for impromptu. Search instead for impromp.
Definitions

impromptu

[im-promp-too, -tyoo] / ɪmˈprɒmp tu, -tyu /
ADJECTIVE
unrehearsed, improvised
Synonyms
STRONGEST
offhand spontaneous unscripted
STRONG
ad-lib fake
WEAK
dashed off extemporaneous extempore extemporized faked improv improviso off the cuff played by ear shot from the hip spur-of-the-moment thrown off tossed off unpremeditated unprepared unstudied vamped whipped up winged
Antonyms
STRONGEST
deliberate planned
ADVERB
unrehearsed, improvised
Synonyms
STRONGEST
offhand spontaneous unscripted
STRONG
ad-lib fake
WEAK
dashed off extemporaneous extempore extemporized faked improv improviso off the cuff played by ear shot from the hip spur-of-the-moment thrown off tossed off unpremeditated unprepared unstudied vamped whipped up winged

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A few days before the Final Four, they decided to make an impromptu trip to Arizona to cheeron UCLA.

From Los Angeles Times • Apr. 4, 2026

Efforts to wring laughs out of a genuinely awful situation yield only a few uncomfortable chuckles, such as when Charlie and Emma strike some warmup poses for a wedding photographer during an impromptu session.

From The Wall Street Journal • Apr. 2, 2026

Little stone circles had been laid as impromptu memorials to the men at the site where they died, a little Palestinian flag flapping above one.

From Barron's • Mar. 15, 2026

The vibe was festive, social and playfully raucous — more impromptu living room performance among friends than comedy club.

From Los Angeles Times • Feb. 26, 2026

An arrangement was made to build an impromptu prison on high ground in New Orleans.

From "Zeitoun" by Dave Eggers

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.