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Expressions

In detail meaning: thoroughly, and why not in details

Thoroughly, point by point: explain it in detail. A description has many details, so the plural feels right. Yet give me the details is correct. Where is the line?

In detail means thoroughly, covering all the points: the guide explained the restoration in detail. For more emphasis, say in great detail. It suits requests, instructions and reports: please describe the damage in detail, meaning where it is, how big, what it looks like.

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explain, describe, discuss or examine + something + in detail

  • The guide explained the restoration process in detail.
  • We examined each complaint in detail before changing the schedule.
  • Nora described the missing bracelet in great detail.

What changed

First versionPlease describe the damage in details.

RevisionPlease describe the damage in detail.

A full description has many details, so details with s seems logical. But in detail is a fixed phrase meaning thoroughly, and detail has no s in it. Details with s are the facts themselves: give me the details.

Cambridge Dictionary

In brief or briefly means short; in detail means thorough. A detailed description uses the adjective before a noun; describe in detail uses the phrase after a verb. Long doesn't mean detailed: you can write three pages and never explain where the fault is.

Your turn

Choose the fixed expression: The engineer explained the fault in ___.

(detail / details)

Show the answer

detail — The fixed phrase in detail has no s. Details with s are separate facts: give me the details.

Ask a technician or colleague to explain one problem in detail. Use explain or describe with in detail.

Could you explain the booking procedure in detail before I choose a date?

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