lightproof vs opaque

lightproof and opaque both are adjectives.

Word	Noun	Adjective	Verb	Adverb
lightproof	No	Yes	No	No
opaque	No	Yes	No	No

lightproof (adjective)	opaque (adjective)
not penetrable by light	not transmitting or reflecting light or radiant energy; impenetrable to sight
	hard or impossible to understand