1. lack of variety and interest; tedious repetition and routine: "you can become resigned to the monotony of captivity"Similartediumtediousnesslack of varietydullnessboredomlack of variationrepetitivenessrepetitiousnessrepetitionsamenessunchangingnessuniformityroutineroutinenesswearisomenesstiresomenesshumdrumnesslack of interestlack of excitementprosaicnessuneventfulnessdrearinesscolorlessnessfeaturelessnessinformal:deadlinesssameynessOppositevarietyexcitement
▪ sameness of pitch or tone in a sound or utterance:"depression flattens the voice almost to monotony"Similartonelessnessflatnesslack of inflectiondrone
