vapidity

dullness

aridity blandness boredom colorlessness commonplaceness drabness dreariness dryness familiarity flatness flavorlessness insipidity insipidness jejuneness lifelessness routine sameness slowness staleness sterileness sterility stodginess tediousness tedium uninterestingness vapidness weariness

excitement

blandness flatness flavorlessness insipidness jejuneness staleness vapidness wateriness

innocuousness washiness