in lieu of

/ɪn ljuː əv/

//ɪn ljuː əv// prep

"in-lieu-of" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Instead of; in place of.

Corpus desk

Index EN-in-lieu-of · in lieu of · English

in lieu of · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 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 in lieu of
PropertyValue
Headwordin lieu of
LanguageEnglish
Part of speechPreposition
IPA/ɪn ljuː əv/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “in lieu of” in English

in lieu ofsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

in lieu of is uncommon English outside the top frequency list, classed as apreposition, transcribed /ɪn ljuː əv/. Rarity is why readers land here mid-draft. 2 senses are on record.

in lieu of has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Middle English in liue of, a partial calque of Old French au leu de (modern French au lieu de). The correct English form is in lieu of, spelled I-N- -L-I-E-U- -O-F.

Definition

  1. 1
    Instead of; in place of.
  2. 2
    In light of.

Recorded use

Wiktionary examples

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

  1. They gave him a cash award, in lieu of the promised prize package.
  2. “Unfortunately for Interceptor—and any others who have relied upon 3DR’s personal assurances in lieu of federal registrations and the like—the 3DR Declaration makes it clear: 3DR no longer owns the unrestricted rights to Duke Nukem IP,and 3DR has no right or ability to make any agreements in violation of Gearbox’s exclusive rights.

Etymology

From Middle English in liue of, a partial calque of Old French au leu de (modern French au lieu de).

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 "in lieu of"?
"in lieu of" is spelled I-N- -L-I-E-U- -O-F. The IPA pronunciation is /ɪn ljuː əv/.
What does "in lieu of" mean?
As a preposition, "in lieu of" means: Instead of; in place of.
How do you pronounce "in lieu of"?
The IPA (International Phonetic Alphabet) transcription for "in lieu of" is /ɪn ljuː əv/. 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 "in lieu of"?
From Middle English in liue of, a partial calque of Old French au leu de (modern French au lieu de). 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