Spam itself could be used as an adjective, although other versions like 'spammy' and 'spammish' might be more or less correct.
it is gross, just like spam
The proper noun Spam itself is used as an adjective; for example a Spam sandwich or a Spam recipe. The common noun spam can also be used as an adjective; for example a spam overload in my 'in box'.
The adjective form is the word "national".
The adjective form of the word 'fallacy' is fallacious.
The adjective form is axiomatic.
Omnivorous is the adjective form.
The word 'hungriness' is the noun form of the adjective hungry.The word 'hungry' is the adjective form of the noun 'hunger'.
The adjective form of the word is "Ardent".
The adjective form of dream is dreamy.
The noun form of the adjective 'dangerous' is dangerousness.The word 'dangerous' is the adjective form of the noun danger.The noun form of the adjective 'childish' is childishness.The word 'childish' is the adjective form of the noun child.The noun form of the adjective 'beautiful' is beautifulness.The word 'beautiful' is the adjective form of the noun beauty.
The adjective form of the word "globe" is "global."
The word tropical is an adjective form of the word tropic or tropics. The word tropic is also used as an adjective. The adverb form is "tropically."