faceless means "without a face"
Spherical is the adjective meaning ball-shaped. Globular is another possible adjective with a similar meaning.
No, fair is an adjective, meaning okay or passable. Fare is a noun, meaning a payment.
'Elude' is a verb. Therefore it has no meaning as an adjective, since it isn't one.
The word meaning "with constant frequency" is an adjective. The word meaning "a frequent customer" is a noun.
The word separated can be used as an adjective, meaning "detached", or as a verb, meaning "broken apart".
It can be an adjective meaning disgusting or smelly. It can also be a noun meaning an infraction, as in some sports.
Palatial is an adjective meaning resembling a palace.
It can be either an adjective or a noun depends on the meaning.
No, it is not an adjective. It is a noun meaning a ditch or ravine.
The word serious, meaning "important" is an adjective.
The word fancy, meaning "decorative", is an adjective.
The word sombre, meaning "depressing" is an adjective.