shim

shim / To insert a thin piece of material into a gap to make a part fit tightly or to align it.

NounTransitive Verb

pl: shimspast: shimmedpp: shimmeding: shimming

This term describes a precise, corrective measure used in construction and mechanical engineering to eliminate play or instability. It carries a connotation of fine-tuning and incremental adjustment, where a tiny physical addition solves a structural misalignment. As a noun, it refers to the physical wedge or spacer. As a verb, it describes the act of stabilizing an object. The word is typically used in technical, DIY, or industrial contexts rather than general conversation.

Meanings

Nounshim

A thin piece of material, such as metal or wood, used to fill a small gap or to align a part precisely.

"The carpenter used a wooden shim to level the door frame."

Transitive VerbTo insert a thin piece of material into a gap to make a part fit tightly or to align it.

[~ something]

He had to shim the table leg with a piece of cardboard to stop it from wobbling.

Last Updated: June 18, 2026•Report an Error