Definition: Antiphrase is a term in linguistics, referring to phrases or sentences that have opposite meanings. They are often used in English because they simplify complex ideas into simpler, more easily understood terms. Definition: In English, "antiphrase" refers to two adjacent words that are closely related but with very different meanings and implications. For example: 1. Antidote 2. Antibiotic The antipsychotic medication is often compared to the "Antidiuretic Hormone," which has opposite effects on the body's hormones. Note: This definition pertains to English language, but antiphrases could be used in other languages too!