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Jr

(British) A title used after a son's name when his father has the same name.

/dʒˈunjɝ/204 viewsLast reviewed Jun 29, 2026+ Add a definition
🇬🇧 British & Irish slang
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UK
#1·Apr 27, 2026UK

(British) A title used after a son's name when his father has the same name.

Origin: Abbreviation of junior. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
For parents

"Jr" means: A title used after a son's name when his father has the same name.. 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

"Jr" means: A title used after a son's name when his father has the same name.. Register: neutral, standard English, usable in most everyday contexts. Note the regional or dialect label (British) — usage may sound odd outside that variety. 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.

Cluster: parent
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For specific readers

"Jr" means: A title used after a son's name when his father has the same name.. 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.

Why is this section here?

Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.

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UK

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🇬🇧About British & Irish slang slang

UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.

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