gamut /ˈɡæm.ət/noun 3forms 1phrases 1 noun3 •A (normally) complete range.I must begin with rudiments of Art / To teach you gamoth in a briefer sort, - - Bian. Why, I am past my gamouth long agoe. — 1590 •All the notes in a musical scale. •All the colours that can be presented by a device such as a monitor or printer. formsgamuts Phrases with gamut run the gamutTo encompass the full range or variety possible.