neutralised Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition verb. 1 to cause to have no effect or become useless; 2 to cause to be neutral Chiefly British. Example Sentence It was carelessness that neutralised our efforts. Synonyms change; alter; modify Antonyms keep the same Hear It! Say It! Write It! neutralised Switch to cursive Start Share with your friends: