Standard Lemma guide

assertion

noun · 8 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: /əˈsɜːʃən/
  • General-American: /əˈsɜɹʃən/
  • General-American: [əˈsɝʃn̩]
  • US: Recorded audio is listed in the source snapshot.
  • UK: Recorded audio is listed in the source snapshot.
  • rhymes with -ɜː(ɹ)ʃən
  • CMU ARPABET: AH0 S ER1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The act of asserting; positive declaration or averment.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Something which is asserted; a declaration; a statement asserted.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • You're a man of strong assertions!

Meaning relationships

Synonyms: contention

Antonyms: none provided

3

noun

Meaning 3

A statement or declaration which lacks support or evidence.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • That's just a bare assertion.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Maintenance; vindication.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • the assertion of one's rights or prerogatives

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A statement in a program asserting a condition expected to be true at a particular point, used in debugging.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, programming, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

The set of information that the statement preparer is providing in a financial statement audit.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

a declaration that is made emphatically (as if no supporting evidence were necessary)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: averment, asseveration

Antonyms: none provided

Broader terms: declaration

Narrower terms: claim, accusation, charge, contention, ipse dixit, ipsedixitism, avowal, avouchment, affirmation, testimony, denial, disaffirmation

8

noun

Meaning 8

the act of affirming or asserting or stating something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: affirmation, statement

Antonyms: none provided

Broader terms: speech act

Narrower terms: say-so

History

Etymology

From Middle English assercioun, from Latin assertiō. By surface analysis, assert + -ion.

Across languages

Translations

50 source translations are retained for this English entry.

  • Armenian: հաստատում (hastatum) — affirmation; statement asserted
  • Azerbaijani: iddia — affirmation; statement asserted
  • Bashkir: дәғүә (dəğwə) — affirmation; statement asserted
  • Bulgarian: твърде́ние (tvǎrdénie) — affirmation; statement asserted
  • Catalan: asserció — affirmation; statement asserted
  • Catalan: afirmació — affirmation; statement asserted
  • Chinese Mandarin: 斷言 /断言 (duànyán) — affirmation; statement asserted
  • Chinese Mandarin: 主張 /主张 (zhǔzhāng) — affirmation; statement asserted
  • Czech: tvrzení — affirmation; statement asserted
  • Dutch: stellige bewering — affirmation; statement asserted
  • Esperanto: aserto — affirmation; statement asserted
  • Finnish: väite — affirmation; statement asserted
  • Finnish: vakuutus — affirmation; statement asserted
  • French: assertion — affirmation; statement asserted
  • French: confirmation — affirmation; statement asserted
  • German: Versicherung — affirmation; statement asserted
  • German: Zusicherung — affirmation; statement asserted
  • German: Behauptung — affirmation; statement asserted
  • German: Beteuerung — affirmation; statement asserted
  • German: Erklärung — affirmation; statement asserted
  • German: Vorbringen — affirmation; statement asserted
  • German: Aussage — affirmation; statement asserted
  • Italian: asserzione — affirmation; statement asserted
  • Italian: affermazione — affirmation; statement asserted
  • Italian: asserimento — affirmation; statement asserted
  • Italian: dichiarazione — affirmation; statement asserted
  • Japanese: 主張 (shuchō) — affirmation; statement asserted
  • Korean: 단정 (danjeong) — affirmation; statement asserted
  • Korean: 주장 (jujang) — affirmation; statement asserted
  • Portuguese: asserção — affirmation; statement asserted
  • Portuguese: assertiva — affirmation; statement asserted
  • Portuguese: afirmação — affirmation; statement asserted
  • Romanian: afirmație — affirmation; statement asserted
  • Russian: утвержде́ние (utverždénije) — affirmation; statement asserted
  • Serbo-Croatian: тврдња — affirmation; statement asserted
  • Serbo-Croatian: tvrdnja — affirmation; statement asserted
  • Spanish: aserto — affirmation; statement asserted
  • Spanish: aserción — affirmation; statement asserted
  • Spanish: aseveración — affirmation; statement asserted
  • Swedish: bekräftelse — affirmation; statement asserted
  • Tagalog: giitsabi — affirmation; statement asserted
  • Ukrainian: тве́рдження (tvérdžennja) — affirmation; statement asserted
  • Bashkir: дәғүә (dəğwə) — maintenance; vindication; assertion of one's rights
  • French: affirmation — maintenance; vindication; assertion of one's rights
  • German: Durchsetzung — maintenance; vindication; assertion of one's rights
  • German: Geltendmachung — maintenance; vindication; assertion of one's rights
  • Esperanto: aserto — programming: statement asserting a true condition
  • Finnish: varmistus — programming: statement asserting a true condition
  • Portuguese: afirmação — programming: statement asserting a true condition
  • Spanish: aserción — programming: statement asserting a true condition
Real reading context

assertion in complete knowledge articles

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