adjective
Healthier and stronger than before or than another person, usually because of exercise or training.
After six months of exercise, I feel fitter.
Common phrases & grammar
get fitter
American English
How to pronounce fitter
adjective · nounB2
FIHder
/ˈfɪ.ɾɚ/
2 syllables · Stress the first syllable.
Healthier and stronger than before or than another person, usually because of exercise or training.
Practice out loudMeanings & examples
nountechnicalless common
A worker who assembles or installs machinery, pipes, or other equipment.
The fitter installed the new pipes.
Good to know
As a noun, fitter is mainly used in technical job titles.
Common phrases & grammar
pipe fitter · mechanical fitter
Related words & forms
The final t is doubled before -er and -est: fit → fitter, fittest.