Forbid/fərˈbɪd/ Definition 1 of 3Pro Tip 1/3Authority or Rule Used when someone with authority, such as a parent or government, restricts actions. The law forbids texting while driving. Pro Tip 2/3Serious Consequence Implies that breaking the prohibition could lead to serious consequences. The company policy strictly forbids any form of harassment. Pro Tip 3/3Strong Emphasis Highlights the urgency or importance the speaker attaches to the prohibition. I forbid you to ride the motorcycle without a helmet!