flatness Synonyms

lethargy matt languor lusterlessness lustrelessness matte phlegm planeness mat sluggishness vapidity weariness jejuneness colorlessness rhythmicity boringness lifelessness colourlessness sterileness tastelessness longueur vapidness tonelessness tediousness stodginess same old thing repetitiveness dullness planarity flavorlessness drabness asepticism triteness two-dimensionality uniformity tedium inanimateness glassiness flushness flatting flat evenness dryness dreariness deadness boredom blandness banality insipidity insipidness