imperiled

adj

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

The verdict

“imperiled” is uncommon English (frequency #62,214 among 2,140 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#62,214
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - at risk of becoming extinct

Corpus desk

Index EN-imperiled · imperiled · English

imperiled · rank #62,214 · 0 variants · 0 confusables

  • FREQ-RARE #62,214
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH impel

Nearest frequency peer: impel (-1 rank slots)

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.

Long-tail ranks near “imperiled”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “imperiled” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for imperiled
PropertyValue
Headwordimperiled
LanguageEnglish
Part of speechAdjective
Letters9
Frequency rank#62,214
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “imperiled” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).imperiledfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “impel” (#62,213), “impulsivity” (#62,215), “iliac” (#62,212). Among 2,140 “I” headwords, “imperiled” is #62,214. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

imperiled is uncommon English at frequency #62,214 among 2,140 “I” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "at risk of becoming extinct".

No generated misspelling entries exist for imperiled in our index, typically a sign the spelling maps closely to how the word sounds. This headword has no recorded confusable partner, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From imperil + -ed. The correct English form is imperiled, spelled I-M-P-E-R-I-L-E-D.

Definition

  1. 1
    at risk of becoming extinct

Recorded use

Wiktionary example

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

  1. The wildlife management plan was focused on helping the reproductive needs of imperiled species.

Etymology

From imperil + -ed.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "imperiled"?
"imperiled" is spelled I-M-P-E-R-I-L-E-D.
What does "imperiled" mean?
As an adjective, "imperiled" means: at risk of becoming extinct
What is the origin of the word "imperiled"?
From imperil + -ed. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "imperiled", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list