Crabbiness refer to the state of being cross, irritable or ill-tempered. The antonyms of crabbiness are words that convey the opposite meaning of being friendly, cheerful, amiable and genial. These antonyms include good-naturedness, affability, kindness, amiability, love, benevolence, and friendliness. These are the positive traits of a person that make them pleasant to be around with, unlike a crabby person who pushes everyone away with their grumpy behavior. A person who exhibits these qualities tends to spread happiness and joy wherever they go, creating a positive atmosphere.