Pronunciation (UK) IPA (key): /suːˈpɪəri.ə(r)/ (US) IPA (key): /supɪriɚ/ Audio (US)(file) Adjective Positive superior Comparative more superior Superlative most superior If x {\displaystyle x} is superior to y {\displaystyle y} , x {\displaystyle x} is better than y {\displaystyle y} . Synonym: inferior (anatomy) If x {\displaystyle x} is superior to y {\displaystyle y} , x {\displaystyle x} is above y {\displaystyle y} in the body. (This might not be true if the person or animal is not standing.) Related words super superlative Noun Singular superior Plural superiors (countable) A person of higher rank or quality. "Always listen to your superiors." The senior person in a monastic community. Related words or phrases father superior mother superiorWikiwand - on Seamless Wikipedia browsing. On steroids.