HAMPER meaning: 1. to prevent someone doing something easily: 2. a large, rectangular container with a lid: 3. a…. Learn more. The meaning of HAMPER is to restrict the movement of by bonds or obstacles : impede. How to use hamper in a sentence. Synonym Discussion of Hamper. Hamper definition: to hold back; hinder; impede.. See examples of HAMPER used in a sentence. Learn the English definition and meaning of Hamper with examples, pronunciation, and translations to enhance your vocabulary.