- The definition of a dumbbell is a device with a short bar between two weights, used for exercise or building muscles, or is slang for a dumb person.
An example of a dumbbell is a set of two five pound weights used for exercise at home.
A pair of dumbbells.
dumbbell definition by Webster's New World
- a device usually used in pairs, consisting of round weights joined by a short bar, by which it is lifted or swung about in the hand for muscular exercise
Origin: cf. dumb, senseSlang a stupid person
Origin: dumb plush bell: from origin, originally shape
dumbbell definition by American Heritage Dictionary
- A weight consisting of a short bar with a metal ball or disk at each end that is lifted for muscular development and exercise.
- Slang A stupid person; a dolt.
Origin: From an apparatus similar to that used in ringing a church bell, but without the bell, used for practice or physical exercise.