Longman Dictionary of Contemporary English
WordNet
n. a suit of clothes traditionally worn by businessmen
Usage examples of "business suit".
He wore a black double-breasted business suit cut like nobody's business, a white shirt, a black tie.
The same woman -- probably -- led a tall man in a business suit to the bed and started kissing him.
Within a few hours of coming out of it, though, there appeared a young man in a neat business suit who asked many and would answer some.
He himself was still in his Washington clothes: a dark blue business suit.
Kyles swift glance took in the sleek lines of her teal business suit, the no-nonsense clip holding her hair at the nape of her neck, and the tension around her eyes and mouth.
One opened as she approached, and a short, stout man in a business suit looked out.
I turned round and looked at the man who stood there, a tall man in a well-cut dark business suit, cool penetrating grey eyes, a pleasant face that could stop being pleasant very quickly, very professional-looking.
One of the doors along the upstairs hall was guarded by a bored-looking young man in a gray business suit.
When he lifted his head over the rim, he saw a strange looking little man with a bald head and huge glasses, incongruously dressed in a business suit with shirt and tie, staring back at him.
She stripped off the business suit she had been wearing for two days and a night, and dumped it in the dry-cleaning basket.
Her palms were sweating and she rubbed them surreptitiously on the fabric of her dark blue business suit.
Today he was dressed, as in the old days, in a favorite combination of a high-necked shirt with fine green-and-white check and an ultraconservative business suit with a herringbone pattern of mixed brown and gray.