A short bar with weights at both ends, used for exercise and strength training by lifting or moving it with the hands. noun
She lifted the dumbbell to strengthen her arm muscles.
The gym has a variety of dumbbells ranging from 5 to 50 pounds.
A weight training device consisting of a short bar with a weight at each end, typically used in pairs for individual or group exercise routines. noun
He performed bicep curls with a pair of dumbbells.
The trainer recommended using dumbbells for a balanced workout.
A person who is considered to be lacking intelligence or common sense; a fool or a dull-witted individual (informal, often used in a humorous or derogatory manner). noun
Don't be such a dumbbell; think before you speak.
He acted like a dumbbell by forgetting his keys again.