English Reference

Word

fitter

Phoneticsfit·ter

US/ˈfɪtɝ/

UK/fˈɪtɐ/

Definition

n. a person whose job is to put together or repair parts of a machine or equipment. You might see them working in a factory or on a construction site.

n. a skilled worker who installs, assembles, or repairs machinery and mechanical equipment. Often used in industrial or technical contexts to describe a specific trade.

Examples

“The fitter is coming to fix the heating system.”

“The factory hired an experienced fitter to ensure the new assembly line was installed correctly.”

“After the initial design phase, the mechanical fitter spent weeks adjusting the custom components to ensure the turbine operated at peak efficiency.”

Examples

simple

“The fitter is coming to fix the heating system.”

contextual

“The factory hired an experienced fitter to ensure the new assembly line was installed correctly.”

complex

“After the initial design phase, the mechanical fitter spent weeks adjusting the custom components to ensure the turbine operated at peak efficiency.”

Usage

Often paired with a specific industry, such as 'pipe fitter' or 'gas fitter'.

Real-World Examples

“Although Ibbie became fitter and healthier, she never did return to school.”
BBC News · 3 Sept 2026

Etymology

From fit (verb) + -er.

From fit (adjective) + -er.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

Domain

Film

This entry

Level
B2 · Upper Intermediate
Frequency
Occasional
Updated

Scan code

englishreference.com/q/fitter

English Reference