overtonePronunciation: /ˈəʊvətəʊn/Translate overtone | into French | into German | into Italian | into Spanish Definition of overtone noun 1a musical tone which is a part of the harmonic series above a fundamental note, and may be heard with it. Physics a component of any oscillation whose frequency is an integral multiple of the fundamental frequency. 2 (often overtones) a subtle or subsidiary quality, implication, or connotation:the decision may have political overtonesOrigin: mid 19th century: from over- + tone, suggested by German Obertonovertone in other Oxford dictionaries Definition of overtone in the US English dictionary