Standard Lemma guide

extemporaneous

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ɪksˌ-/
  • UK: /ɛksˌtɛm.pɜː(ɹ)ˈeɪn.i.əs/
  • Canada: /əksˌtɛmpɚˈeɪni.əs/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪniəs

1

adj

Meaning 1

With inadequate preparation or without advance thought; offhand.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: off-the-cuff, extemporal, improvised, extempore, ad lib, extemporary, extemporaneous, extemporized, gash, impromptu, improviso, offhand, spur-of-the-moment

Antonyms: none provided

2

adjective satellite

Meaning 2

with little or no preparation or forethought

Definition source: Princeton WordNet 3.0

Examples

  • his ad-lib comments showed poor judgment
  • an extemporaneous piano recital
  • an extemporary lecture
  • an extempore skit
  • an impromptu speech
  • offhand excuses
  • trying to sound offhanded and reassuring
  • an off-the-cuff toast
  • a few unrehearsed comments

Meaning relationships

Synonyms: ad-lib, extemporary, extempore, impromptu, offhand, offhanded, off-the-cuff, unrehearsed

Antonyms: none provided

History

Etymology

From Late Latin extemporāneus, from Latin ex tempore (“impromptu”).

Across languages

Translations

17 source translations are retained for this English entry.

  • Bulgarian: импровизиран (improviziran) — without preparation
  • Catalan: extemporani — without preparation
  • Chinese Mandarin: 即興的 /即兴的 (jíxìngde) — without preparation
  • Chinese Mandarin: 不用講稿的 /不用讲稿的 (búyòngjiǎnggǎogde) — without preparation
  • Danish: improviseret — without preparation
  • Dutch: onvoorbereid — without preparation
  • German: unvorbereitet — without preparation
  • Indonesian: ekstemporan — without preparation
  • Indonesian: impromptu — without preparation
  • Norwegian Bokmål: uforberedt — without preparation
  • Polish: spontaniczny — without preparation
  • Polish: zaimprowizowany — without preparation
  • Portuguese: extemporâneo — without preparation
  • Russian: импровизи́рованный (improvizírovannyj) — without preparation
  • Spanish: extemporáneo — without preparation
  • Turkish: hazırlıksız — without preparation
  • Turkish: doğaçlama — without preparation
Real reading context

extemporaneous in complete knowledge articles