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ENGLISH · A WORD WITH POSSIBILITIES

shim.

A wedge.

4 characters1 syllables approx.English language

Meaning & usage

noun/ʃɪm/
  1. A wedge.

  2. A thin piece of material, sometimes tapered, used for alignment or support.

  3. A small library that transparently intercepts and modifies calls to an API, usually for compatibility purposes.

  4. A kind of shallowly cutting plow used in tillage to break the ground and clear it of weeds.

  5. A small metal device used to pick open a lock.

  6. A thin device inserted into a card reader by a criminal to facilitate fraud.

Where this word comes from

Unknown; from Kent. Originally a piece of iron attached to a plow; sense of “thin piece of wood” from 1723, sense of “thin piece of material used for alignment or support” from 1860.

verb/ʃɪm/
  1. To fit one or more shims to a piece of machinery or other assembly; to adjust (something) by using shims.

    ambitransitive
  2. To adjust the homogeneity of a magnetic field (after the mechanical devices once used for the purpose).

  3. To intercept and modify calls to (an API), usually for compatibility purposes.

    transitive
  4. To attack a point-of-sale card reader with a shim.

    ambitransitive
Where this word comes from

Unknown; from Kent. Originally a piece of iron attached to a plow; sense of “thin piece of wood” from 1723, sense of “thin piece of material used for alignment or support” from 1860.

noun/ʃɪm/
  1. A transsexual person, especially a trans woman; (loosely) a drag queen or transvestite.

    derogatory · informal · often
  2. A person characterised by both male and female traits, or by ambiguous male-female traits; a hermaphrodite.

    derogatory · informal · often
Where this word comes from

Blend of she + him.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.