instanter

/ɪnˈstæntɚ/

//ɪnˈstæntɚ// adv

"instanter" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - immediately; instantly; without delay.

Corpus desk

Index EN-instanter · instanter · English

instanter · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for instanter
PropertyValue
Headwordinstanter
LanguageEnglish
Part of speechAdverb
IPA/ɪnˈstæntɚ/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “instanter” in English

instanterfalls 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

instanter is uncommon English outside the top frequency list, classed as anadverb, transcribed /ɪnˈstæntɚ/. Rarity is why readers land here mid-draft. Gloss: "immediately; instantly; without delay.".

instanter has no tracked misspelling variants, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Unadapted borrowing from Medieval Latin īnstanter (“immediately”), originally “vehemently” in Classical Latin. The correct English form is instanter, spelled I-N-S-T-A-N-T-E-R.

Definition

  1. 1
    immediately; instantly; without delay.

Recorded use

Wiktionary examples

These source excerpts show how instanter appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. "They're another reason why I've got to get my girl and start instanter.
  2. They lifted him onto the deck where he lay in his wet seersucker suit and his lemoncolored socks, leering walleyed up at the workers with the hook in his face like some gross water homunculus taken in trolling that the light of God's day had stricken dead instanter.

Etymology

Unadapted borrowing from Medieval Latin īnstanter (“immediately”), originally “vehemently” in Classical Latin.

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 "instanter"?
"instanter" is spelled I-N-S-T-A-N-T-E-R. The IPA pronunciation is /ɪnˈstæntɚ/.
What does "instanter" mean?
As an adverb, "instanter" means: immediately; instantly; without delay.
How do you pronounce "instanter"?
The IPA (International Phonetic Alphabet) transcription for "instanter" is /ɪnˈstæntɚ/. 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 "instanter"?
Unadapted borrowing from Medieval Latin īnstanter (“immediately”), originally “vehemently” in Classical Latin. 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.

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

Source: FrequencyWords open word-frequency list