Defy Gravity is an expression used to describe the act of overcoming the force of gravity. The crossword solutions for this term are LEVITATE (8 letters), FLOAT (5 letters), and LIFT (4 letters). LEVITATE means to rise or FLOAT in the air without any physical support, while FLOAT is to remain suspended in a liquid or gas, and LIFT is to move something from one place to another with effort. All three words refer to the act of overcoming gravity.