It is a verb. As in "I lack the talent to be a pro ball player."
The noun form for the adjective deficient is deficiency.
Deficient is an adjective.
Adjective. It would describe a noun.
deficiency
adverb
what part of speech is work
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Unsufficient isn't a word. However, insufficient is a word. It's an adjective.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
adverb
what part of speech is work
The word "scarce" can function as both an adjective and an adverb. As an adjective, it describes something that is in short supply or insufficient. As an adverb, it modifies a verb and means not often or rarely.
Prepositions would include "for" or more rarely "in."NOTE THAT THE WORD "to" following insufficient is normally part of an infinitive verb, not a preposition. E.g. The supply was insufficient to meet the demand.
The word speech is a noun.
Adjective
Yes, conjunction is a part of speech.
i want to know what part of speech is camping