To determine the word opposite in meaning to ‘Transparent’, we must first understand the meanings of the options provided:
Option
Meaning
Clear
Easily seen through; without obstruction or cloudiness.
Invisible
Unable to be seen; not visible to the eye.
Opaque
Not able to be seen through; not transparent.
Luminous
Emitting or reflecting light; glowing.
From these meanings, the word ‘Opaque’ is the opposite of ‘Transparent’ because it means not allowing light to pass through, making it impossible to see through the material. In contrast, ‘Transparent’ refers to something that can clearly be seen through because it allows light to pass without significant obstruction.