A. Dull
B. Dark
C. Obscure
D. Opaque
Submitted by: Muhammad Asif
One word substitute is Opaque.
Dull: lacking interest or excitement.
Dark: with little or no light.
Obscure: not discovered or known about; uncertain.
Opaque: not able to be seen through; not transparent.
Correct Answer: Opaque ✔
Last Updated: October 06, 2020