broken in

adjective

(sometimes comparative) Having been broken in to seat the parts.

“The engine should be well broken in before its heavy working life begins.”

Similar
run inbrokentametamed
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Meanings

adjectivebroken in (not generally comparable, comparative more broken in, superlative most broken in)

comparative more broken in · superlative most broken in

  1. adjectivenot comparableparticipleusuallyengineering(sometimes comparative) Having been broken in to seat the parts.

    The engine should be well broken in before its heavy working life begins.

    Synonyms: run in

verb
  1. participlepastpast participle of break in

Synonyms & antonyms

adjective(sometimes comparative) Having been broken in to seat the parts.

Similar
run in

More synonyms by meaning

adjectivetamed or trained to obey

Similar
brokentametamed
Also see
brokenrun inrun-intametamed

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

broken in. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/broken%20in

MLA

“broken in.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/broken%20in. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “broken in,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/broken%20in.

Source: broken in on Wiktionary, CC BY-SA 4.0.