Definitions of decompose, synonyms, antonyms, derivatives of decompose, analogical dictionary of decompose (English) Definition and synonyms of decompose from the online English dictionary from Macmillan Education.. Related terms for 'decompose': biodegrade, curdle, decay, fester, go off, perish, putrefy, rot, sour, spoil, turn Antonyms for Decompose (opposite of Decompose). Definitions of decomposed, synonyms, antonyms, derivatives of decomposed, analogical dictionary of decomposed (English) ... decompose (v. Synonyms for decomposing in Free Thesaurus. Find more opposite words at wordhippo.com! Another word for decompose: rot, spoil, corrupt, crumble, decay | Collins English Thesaurus Find more similar words at wordhippo.com! decompose - WordReference thesaurus: synonyms, discussion and more. 3 âsemantic markers decompose the meanings of words into more primitive elementsâ SYNONYMS separate , divide, break down, dissect, atomize, dissolve, resolve, reduce 1. separate (substances) into constituent elements or parts. Antonyms for decomposing. Antonyms for decompose include combine, develop, grow, improve, join, unite, put together, build, keep and honor. This is the British English definition of decompose.View American English definition of decompose.. Change your default dictionary to American English. x, 7; decay and decompose ⦠What is the opposite of Decompose? Synonyms for decomposing include decaying, foetid, fetid, putrid, rancid, rotting, festering, mouldering, moldering and off. intr.) Search decompose and thousands of other words in English definition and synonym dictionary from Reverso. All Free. English Synonyms and Antonyms (1.00 / 2 votes) Rate these synonyms: decompose Rot is a strong word, ordinarily esteemed coarse, but on occasion capable of approved emphatic use; as, "the name of the wicked shall rot ," Prov. Synonyms (Other Words) for Decompose & Antonyms (Opposite Meaning) for Decompose.