What does bruise mean? bruise. Verb 1. (transitive) ; To strike (a person) ;, originally with something flat or heavy, but now specifically in such a way as to discolour the skin without breaking it. 2. (transitive) ; To damage the skin of (fruit) ;, in an analogous way. 3. (intransitive) ; Of fruit, to gain bruises through being handled roughly. For example, Bananas bruise easily. 4. (intransitive) ; To become bruised. For example, I bruise easily. 5. (intransitive) ; To fight with the fists; to box. bruise. Noun 1. (medicine) ; A purplish mark on the skin due to leakage of blood from capillaries under the surface that have been damaged by a blow. 2. A dark mark on fruit caused by a blow to its surface.