sunproof

As an adjective sunproof

is impervious to the rays of the sun.

As a noun subproof is

(mathematics) a proof that makes up part of a larger proof.

As a noun terms

is .

As an adjective sunproof is

impervious to the rays of the sun.

As a noun unproof

is absence or lack of proof or evidence; prooflessness.

As a verb unproof

is to undo the proofing of; expose to the possibility of failure.

As an adjective sunproof is

impervious to the rays of the sun.

As a noun sunroof

is (automotive) a fixed or operable opening in a vehicle roof (car or truck) which allows fresh air and/or light to enter the passenger compartment a sunroof may include a transparent or opaque panel and may be manually operated or power driven.

As an adjective sunproof is

impervious to the rays of the sun.