Answer: The word which means passionate or intense feelings is Ardent.
Step-by-step explanation:
More similar terms for passionate are fervent and fervid.
Temperamental means having an impulsive mood or being angry.
Transitory means lasting for a short time or momentary.
Disconsolate means extremely sad and disappointed.
Ardent means being passionate.
Hence the word Ardent best suits the given meaning.