Standard Lemma guide

mistakenly

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.

  • /mɪˈsteɪ.kən.li/
  • Midwestern-US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: M IH0 S T EY1 K AH0 N L IY0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adv

Meaning 1

Wrongly; erroneously.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • I mistakenly assumed that the shop was still there.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adv

Meaning 2

By accident; by mistake; in error (without intention to do so).

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Examples

  • Today I mistakenly took your packed lunch to work.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adverb

Meaning 3

in a mistaken manner

Definition source: Princeton WordNet 3.0

Examples

  • he mistakenly believed it

Meaning relationships

Synonyms: erroneously

Antonyms: none provided

History

Etymology

Etymology tree English mistaken Middle English -ly English -ly English mistakenly From mistaken + -ly.

Across languages

Translations

43 source translations are retained for this English entry.

  • Azerbaijani: yanlış — wrongly
  • Azerbaijani: səhvən — wrongly
  • Esperanto: erare — wrongly
  • Finnish: virheellisesti — wrongly
  • French: à tort — wrongly
  • German: irrtümlich — wrongly
  • Greek: εσφαλμένα (esfalména) — wrongly
  • Greek: λανθασμένα (lanthasména) — wrongly
  • Hungarian: tévesen — wrongly
  • Polish: błędnie — wrongly
  • Tamil: தவறாக (tavaṟāka) — wrongly
  • Tamil: தப்பாக (tappāka) — wrongly
  • Arabic: خَطَأً (ḵaṭaʔan) — by accident
  • Azerbaijani: səhvən — by accident
  • Chichewa: mwatsoka — by accident
  • Chinese Mandarin: 錯誤地 /错误地 (cuòwù de) — by accident
  • Finnish: vahingossa — by accident
  • Finnish: erehdyksessä — by accident
  • French: par erreur — by accident
  • French: à tort — by accident
  • French: sans faire exprès — by accident
  • German: aus Versehen — by accident
  • German: versehentlich — by accident
  • Greek: κατά λάθος (katá láthos) — by accident
  • Hungarian: tévedésből — by accident
  • Italian: erroneamente — by accident
  • Japanese: 誤って (ayamatte) — by accident
  • Polish: przez pomyłkę — by accident
  • Portuguese: erradamente — by accident
  • Portuguese: equivocadamente — by accident
  • Portuguese: erroneamente — by accident
  • Russian: оши́бочно (ošíbočno) — by accident
  • Russian: по оши́бке (po ošíbke) — by accident
  • Spanish: equivocadamente — by accident
  • Spanish: erróneamente — by accident
  • Spanish: erradamente — by accident
  • Spanish: sin querer — by accident
  • Spanish: por error — by accident
  • Spanish: por equivocación — by accident
  • Tamil: தவறாக (tavaṟāka) — by accident
  • Tamil: தவறுதலாக (tavaṟutalāka) — by accident
  • Turkish: yanlışlıkla — by accident
  • Urdu: غلطی سے (ġalatī sē) — by accident
Real reading context

mistakenly in complete knowledge articles