labialEnglishMerriam-Webster DictionarySynonyms: Verbbecloud, bedim, befog, blacken, blear, blur, darken, dim, dislimn, fog, fuzz (up), haze, mist, obscure, overcast, overcloud, overshadow, shadow, shroudAntonyms: Verbbrighten, illuminate, illumine, light (up), lighten