dusk, obscurity

DARKNESS
WordClue
DUSKdarkness, obscurity
GLOOMDarkness, dimness or obscurity
SUNSETdusk, twilight
OPACITYobscurity, dimness
TWILIGHTdusk
ANONYMITYobscurity
NIGHTFALLdarkness, dusk
SUNSETdusk, nightfall
SUNSETdusk, twilight