Standard Lemma guide

spontaneously

adv · 3 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.

  • Received-Pronunciation: /spɒnˈteɪ.ni.əs.li/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /spɑnˈteɪ.ni.əs.li/
  • CMU ARPABET: S P AA0 N T EY1 N IY0 AH0 S L IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adv

Meaning 1

In a spontaneous manner; naturally; voluntarily.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adverb

Meaning 2

without advance preparation

Definition source: Princeton WordNet 3.0

Examples

  • he spoke ad lib

Meaning relationships

Synonyms: ad lib, ad libitum, impromptu

Antonyms: none provided

3

adverb

Meaning 3

in a spontaneous manner

Definition source: Princeton WordNet 3.0

Examples

  • this shift occurs spontaneously

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English spontaneous Middle English -ly English -ly English spontaneously From spontaneous + -ly.

Across languages

Translations

24 source translations are retained for this English entry.

  • Arabic: عفوًا (ʕafwan) — in a spontaneous manner
  • Bengali: আপনা আপনি (apna apni) — in a spontaneous manner
  • Bulgarian: спонта́нно (spontánno) — in a spontaneous manner
  • Catalan: espontàniament — in a spontaneous manner
  • Dutch: spontaan — in a spontaneous manner
  • Finnish: itsestään — in a spontaneous manner
  • Finnish: spontaanisti — in a spontaneous manner
  • French: spontanément — in a spontaneous manner
  • Galician: espontaneamente — in a spontaneous manner
  • German: spontan — in a spontaneous manner
  • Hindi: अनायास (anāyās) — in a spontaneous manner
  • Hungarian: spontán — in a spontaneous manner
  • Italian: spontaneamente — in a spontaneous manner
  • Korean: 자발적으로 (jabaljeogeuro) — in a spontaneous manner
  • Latin: spontē — in a spontaneous manner
  • Odia: ଛାଏଁ (chāẽ) — in a spontaneous manner
  • Plautdietsch: veselfst — in a spontaneous manner
  • Polish: spontanicznie — in a spontaneous manner
  • Portuguese: espontaneamente — in a spontaneous manner
  • Russian: спонта́нно (spontánno) — in a spontaneous manner
  • Serbo-Croatian: spȍntāno — in a spontaneous manner
  • Spanish: espontáneamente — in a spontaneous manner
  • Turkish: şıp diye — in a spontaneous manner
  • Turkish: şakkadanak — in a spontaneous manner
Real reading context

spontaneously in complete knowledge articles