ill luck

noun

"ill-luck" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Bad luck; misluck; misfortune.

Corpus desk

Index EN-ill-luck · ill luck · English

ill luck · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-2 2 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 ill luck
PropertyValue
Headwordill luck
LanguageEnglish
Part of speechNoun
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ill luck” in English

ill luckfalls 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

ill luck is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Bad luck; misluck; misfortune.".

Our edit-distance generator produced no likely misspellings for ill luck, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No documented word history exists for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is ill luck, spelled I-L-L- -L-U-C-K.

Definition

  1. 1
    Bad luck; misluck; misfortune.

Recorded use

Wiktionary example

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

  1. Then, as we have reported, bogie defects came to light on the first few production "Deltics" [...]; these have now been remedied, but inevitably deliveries, trial running and particularly crew training were retarded as a result, so that once again ill luck has dogged the East Coast Route timetable planners.

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 "ill luck"?
"ill luck" is spelled I-L-L- -L-U-C-K.
What does "ill luck" mean?
As a noun, "ill luck" means: Bad luck; misluck; misfortune.
What language does "ill luck" come from?
"ill luck" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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