Definition of "dad" in English

noun

1. (informal) A father, a male parent.

   • His dad was always there for him.

2. Used to address one's father; often capitalized.

   • Happy Father's Day, dad!

3. (slang) Used to address an older adult male.

verb

1. To be a father to; to parent.

2. To act like a dad.

noun

1. A lump or piece.

2. A blow; act of striking something.

verb

1. (transitive) To throw against something; to dash.

noun

1. Alternative form of daad (“Arabic letter ض”).