demoralises Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. to destroy the morals or morale of someone; to weaken the spirit or courage of someone. Chiefly British. Example Sentence The bad state of her child's health demoralises her. Synonyms depress; unnerve; abash; blow out Antonyms boost; comfort; encourage; uplift Hear It! Say It! Write It! demoralises Switch to cursive Start Share with your friends: