asseverate

/əˈsɛvəɹeɪt/

//əˈsɛvəɹeɪt// verb

"asseverate" is a 10-letter English headword indexed on PlainSpell.

The verdict

“asseverate” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To assert earnestly, seriously, and confidently

Key facts for asseverate
PropertyValue
Headwordasseverate
LanguageEnglish
Part of speechVerb
IPA/əˈsɛvəɹeɪt/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “asseverate” sits in English frequency

asseverate falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

asseverate is uncommon English outside the top frequency list, classed as averb, transcribed /əˈsɛvəɹeɪt/. Rarity is why readers land here mid-draft. Gloss: "To assert earnestly, seriously, and confidently".

Zero misspellings are on record for asseverate in our index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Latin assevērāre, from assevērō (“I assert”). The correct English form is asseverate, spelled A-S-S-E-V-E-R-A-T-E.

Definition

  1. 1
    To assert earnestly, seriously, and confidently

Etymology

From Latin assevērāre, from assevērō (“I assert”).

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "asseverate"?
"asseverate" is spelled A-S-S-E-V-E-R-A-T-E. The IPA pronunciation is /əˈsɛvəɹeɪt/.
What does "asseverate" mean?
As a verb, "asseverate" means: To assert earnestly, seriously, and confidently
How do you pronounce "asseverate"?
The IPA (International Phonetic Alphabet) transcription for "asseverate" is /əˈsɛvəɹeɪt/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "asseverate"?
From Latin assevērāre, from assevērō (“I assert”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “asseverate”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-S-S-E-V-E-R-A-T-E - every other letter order is a misspelling in standard orthography.
  • Say it as /əˈsɛvəɹeɪt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list