Rub/rʌb/ Definition 1 of 5Pro Tip 1/3Physical Action Used for actions where there is direct physical contact, often involving friction. He rubbed the balloon on his hair to create static electricity. Pro Tip 2/3Convey Warmth Indicates actions to generate warmth by moving hands on one's body or another's. She rubbed her hands together briskly to fight off the cold. Pro Tip 3/3Figurative Use Sometimes 'rub' is used metaphorically to describe a situation causing irritation. His constant lateness is starting to rub.