* Adjective: Describing something as enough or adequate.
* Example: "We have sufficient food for the trip."
* Noun: Referring to the state of being enough or adequate.
* Example: "The sufficiency of the evidence was questioned."
* Adverb: Modifying a verb, adjective, or another adverb to indicate a degree of being enough.
* Example: "The water is sufficiently warm for swimming."
So, the part of speech for "sufficient" is determined by its function in the sentence.