Word Explorer

Impromptu

/ɪmˈpɹɒmptju/

A short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.

📖 Definitions of "Impromptu"

noun

1
A short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.
2
(by extension) Any composition, musical or otherwise, that is created on the spot without preparation.

adjective

1
Improvised; without prior preparation, planning or rehearsal.
"The party began with an impromptu rendition of 'Happy Birthday'."

5 synonyms found via WordNet and Google Books.

Word	Definition
ad libverb	As much as desired, to one's fill, without restriction.
spontaneously	In a spontaneous manner; naturally; voluntarily.
ad libitum	As much as desired, to one's fill, without restriction.
unpreparednoun	Not prepared; caught by surprise.
spur-of-the-moment	Spontaneous; impromptu.

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
ad libverb	As much as desired, to one's fill, without restriction.
spur-of-the-moment	Spontaneous; impromptu.
spontaneously	In a spontaneous manner; naturally; voluntarily.
ad libitum	As much as desired, to one's fill, without restriction.
unpreparednoun	Not prepared; caught by surprise.
extemporaneous	With inadequate preparation or without advance thought; offhand.
off-the-cuff	(idiomatic) Extemporaneous; without prior preparation; spontaneous; impromptu.
ad-hoc	Alternative spelling of ad hoc. [For a particular purpose.]
improvised	Created by improvisation; impromptu; unrehearsed.
makeshiftnoun	Made to work or suffice; improvised; substituted.
spontaneous	Self-generated; happening without any apparent external cause.
temporarynoun	Not permanent; existing only for a period or periods of time.
interimnoun	Temporary.
adlibnoun	Alternative form of ad lib. [To perform without a script.]
hastynoun	Acting or done in haste; hurried or too quick; speedy due to having little time.
unpredictablenoun	Unable to be predicted.
unforeseeable	Incapable of being foreseen or anticipated.
unsolicited	Not requested; neither welcomed nor invited.
informal	Suited for everyday use.
provisionalnoun	Temporary, but with the intention of eventually becoming permanent or being replaced by a permanent equivalent.