Master the word "COMPOSITION" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Composition is another word for writing — the act of writing or the piece of writing that results. It also refers to what something is made of. COMPOSITION meaning: 1 : the way in which something is put together or arranged the combination of parts or elements that make up something; 2 : a piece of writing 11 meanings: 1. the act of putting together or making up by combining parts or ingredients 2. something formed in this manner.... Click for more definitions.