or plural bear : any of a family (Ursidae of the order Carnivora) of large heavy mammals of America and Eurasia that have long shaggy hair, rudimentary tails, and plantigrade feet and feed largely on fruit, plant matter, and insects as well as on flesh. Definition of bear verb in Oxford Advanced Learner's Dictionary. Meaning , pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. As a verb, bear commonly means to endure something negative (as in I can’t bear to watch) or to carry, hold up, or support (as in The roof can’t bear that much weight), while as a noun it refers to the big furry animal (like grizzly bears and polar bears). Learn the meaning , pronunciation, and usage of the word bear as a verb, noun, and adjective. Find out the difference between bear and bare, the synonyms and idioms of bear , and the examples of bear in sentences.