Phrases & IdiomsPhrase guide

In Lieu Of

“In Lieu Of” means “instead of” or “in place of” something else. This guide stays with the supported present-day meaning and usage boundary and does not infer an unsupported first-use date, inventor, or origin story.

Quick answer

“In lieu of” means “instead of”: use it when one thing is provided, used, or accepted in place of another.

Key details

Canonical FormIn Lieu Of
Core Meaningmeans “instead of” or “in place of” something else

Further guidance

History Boundary

Current dictionary-supported meaning is published without claiming an exact inventor, coinage date, or absolute first use.

Meaning

means “instead of” or “in place of” something else.

Usage Boundary

Because it is more formal than “instead of,” choose it when the surrounding register supports that tone.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. In lieu of — English meaning (opens in a new tab)Cambridge University Press · Dictionary meaning of “in lieu of” as “instead of”

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