Word.ws English Dictionary

slim jim

slim jim noun: a thin strip of metal such as spring steel used to unlock automobile doors without a key.

Noun (1)

slim jim (plural slim jims)

  1. (informal) A thin strip of metal such as spring steel used to unlock automobile doors without a key.
    Synonyms:
    shim
  2. (informal) Someone or something very thin.
  3. (UK, historical) A narrow necktie worn by teddy boys.
  4. A kind of dipole radio antenna.

Adjective

slim jim (not comparable)

  1. (informal) Very thin.
    • That ought to make you / An ideal one-girl farm, / And give you a chance to put some strength / On your slim-jim arm.1916, Robert Frost, A Girl's Garden

Noun (2) capitalized: Slim Jim

Slim Jim (plural Slim Jims)

  1. (UK) A British Rail Class 33/2 locomotive.

Synonyms of slim jim

Forms of slim jim

pluralslim jims
pluralSlim Jims

Origin of slim jim

In allusion to the subclass being 7 inches narrower, due to being constructed for use on the gauge-restricted Hastings line.

Questions about slim jim

What does slim jim mean?
Slim jim means a thin strip of metal such as spring steel used to unlock automobile doors without a key.
What part of speech is slim jim?
Slim jim can be a noun or an adjective.
What is the plural of slim jim?
The plural of slim jim is slim jims.

Words near slim jim in the dictionary

  1. slily
  2. slim
  3. slim client
  4. slim clients
  5. slim down
  6. slim jim
  7. slim jims
  8. slim pickings
  9. Slim River
  10. slim-fit
  11. slim-thick

Source and license

Adapted from Wiktionary: slim jim (page history and authors); Slim Jim (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “slim jim.” Word.ws, https://word.ws/slim_jim. Based on Wiktionary, CC BY-SA 4.0.