warfarin warfarer • warfaring · · · Info · Definitions · Synonyms · Characters · · warfarin · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus. Synonyms: Coumadin. · · Noun Definition 1 Synonyms · · · coumadin · · Synonym 1 Characters · · a latin small letter a U+0061 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 w latin small letter w U+0077