in perpetuity
"in-perpetuity" is a 12-letter English headword indexed on PlainSpell.
The verdict
“in perpetuity” is uncommon English (outside the top frequency list), classed as a prep_phrase. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - For an indefinitely long time.
Corpus desk
Index EN-in-perpetuity · in perpetuity · English
in perpetuity · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 13 letters
- VOW-6 6 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.
| Property | Value |
|---|---|
| Headword | in perpetuity |
| Language | English |
| Part of speech | Prep_phrase |
| Letters | 13 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “in perpetuity” in English
Rare enough to double-check
in perpetuity is uncommon English outside the top frequency list, classed as aprep_phrase. Rarity is why readers land here mid-draft. 2 senses are on record.
in perpetuity doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.
Our source data has no etymology on file for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is in perpetuity, spelled I-N- -P-E-R-P-E-T-U-I-T-Y.
Definition
- 1For an indefinitely long time.
- 2For life.
Recorded use
Wiktionary examplesThese source excerpts show how in perpetuity appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
bequeathed to the nation in perpetuity
The interest payments on consols were in perpetuity.
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.