Multiple is on the Academic Vocabulary List. Pronunciation IPA (key): /ˈmʌltɪpl̩/ Audio (UK)(file) Adjective Positive multiple Comparative none Superlative none Multiple items are more than one item. We ran into multiple problems, but we solved them all. Noun Singular multiple Plural multiples A constant product of a number. 3, 6, 9 and 12 are multiples of 3.Wikiwand - on Seamless Wikipedia browsing. On steroids.