Controversial is an adjective.
It is a noun.
adverb
what part of speech is work
i want to know what part of speech is camping
what part of speech is beneath
what part of speech is eleven
Right to free speech
speech
the most controversial part of the 1850 compromise was California becoming a free state.
a professor who had a controversial investigation on speech in the 90's
The part of speech for "answer" is a noun.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
what part of speech is work
adverb
The part of speech for "explicit" is an adjective.
The part of speech for "indefinite" is an adjective.