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back end

The rear, back, or unseen portion (of something).

ˈbæk ˈɛndCurrent151 viewsLast reviewed Jun 29, 2026+ Add a definition
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5 citations · last seen May 2026

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UK
#1·Apr 27, 2026UK

The rear, back, or unseen portion (of something).

The back end of the operation is kept out of sight of the customers.
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UK
#2·Apr 27, 2026UK

(computing) That part of a hardware or software system that is farthest from the user; the internals rather than the user interface.

For parents

"back end" means: That part of a hardware or software system that is farthest from the user; the internals rather than the user interface.. This is a fairly neutral word with no inherent risk attached. There is no real cause for parental concern; it is descriptive vocabulary rather than something dangerous. If your child uses it, context will usually make the meaning clear. A brief, curious question about where they heard it is generally enough to know whether to follow up.

For ESL learners

"back end" means: That part of a hardware or software system that is farthest from the user; the internals rather than the user interface.. Register: neutral, standard English, usable in most everyday contexts. A common non-native mistake is to use the word in the wrong register, or to assume one fixed meaning when it is actually polysemous; always check the surrounding register and the audience before producing it yourself. In formal writing, prefer a neutral synonym or a short descriptive phrase, and use this word only when you have heard or read it being used naturally in a comparable context.

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UK
#3·Apr 27, 2026UK

(UK, _, dialectal, Northern England, Scotland) The latter end of any given time, especially the latter part of the year; autumn; late autumn.

I'll see you on the back end of tomorrow.
Heard in the wild
  • “I'd swap Hunt and Middleton on the back end. He's a better replacement for Brodin.”

    — Bluesky· May 2026
  • “can't say I don't understand. a pain numbing fog can be pretty damn enticing on the front end. the back end sucks though.”

    — Bluesky· May 2026
  • “He s doing a Willock at the back end of this season”

    — Bluesky· May 2026
  • “I think your testing is more back end-y than mine (fnarr)!”

    — Bluesky· May 2026
  • “man this guy keeps putting me on hold for 10 minutes at a time it seems. i wonder if hes off to do another call while i wait on hold. theres no way theres THAT much work to do on the back end to cancel optik TV.”

    — Bluesky· May 2026
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