1. To remove by or as if by cutting. 2. To form or shape by or as if by cutting. 3. To take the place of; supplant. 4. To suit or fit by nature: I'm not cut out to be a hero. 5. To assign beforehand or by necessity; predetermine: We've got our work cut out for us. 6. To deprive: felt cut out of all the fun. 7. To stop; cease. 8. Informal