plainness

1 the free expression of one's true feelings and opinions his unabashed plainness in telling people exactly what he thought of them was often offensive Synonyms bluntness, candidness, directness, forthrightness, frankness, honesty, openheartedness, openness, outspokenness, candor, plainspokenness, plumpness, straightforwardness, unguardedness, unreserve, unreservednessRelated Words earnestness, sincerity, sobriety; artlessness, genuineness, naïveté (also naivete or naiveté), simplicity, unsophistication; communicativeness, freedom, license (or licence), uninhibitedeness, unrestrainedness, unrestraintNear Antonyms circuitousness, evasiveness, secretiveness; inhibition, reserve, restraint, reticence, shyness; diplomacy, tactAntonyms dissembling, dissimulation, indirection

2 the quality or state of having a form or structure of few parts or elements the plainness and clean lines of that coffeemaker make it a piece of modern sculpture as well as a kitchen appliance Synonyms simplicity, unsophisticationRelated Words homogeneity, homogeneousness, uniformity, unityAntonyms complexity, complexness, complicacy, complicatedness, complication, elaborateness, intricacy, intricateness, sophistication