• abstruse, ambiguous, blurred, cloudy, dim, dusky, equivocal, foggy, fuzzy, gloomy, hazy, indistinct, lack-lustre, misty, muddy, murky, nebulous, neutral, oblique, obscure, recondite, shady, tarnished, transcendental, turbid, twilit, unclear, vague
• darkly, dimly, indistinctly, mistily
• blur, dullness, haziness, murkiness, nebulosity, obscurity, tarnish, turbidity, turbidness
• dusk, semidarkness, subdued light, twilight
• to cloud, to darken, to dim, to grow dim, to tarnish
• to adumbrate, to bemuse, to blur, to chill, to darken, to dim, to eclipse, to efface, to fade, to obfuscate, to obscure, to outshine, outshone, to overcast, overcast, to overshadow, to put into the shade, to tarnish, to throw into the shade