Definition of Ferment 1. A state of agitation or turbulent change or development Noun 2. A substance capable of bringing about fermentation Noun 3. A process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol Noun 4. Be in an agitated or excited state Verb 5. Work up into agitation or excitement Verb 6. Cause to undergo fermentation Verb 7. Go sour or spoil Verb Synonyms for word "ferment" Semanticaly linked words with "ferment" Hyponims for word "ferment" Lexical Analysis for "ferment" fermenting a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol fermentation a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol a state of agitation or turbulent change or development a state of agitation or turbulent change or development etymologically related fermentation etymologically related fervent etymological origin of fermentare [Latin] is derived from fermented is derived from fermenting is derived from ferments