Nectareous is an adjective used to describe something that is sweet and delicious, like nectar. Synonyms for this word include succulent, rich, luscious, ambrosial, honeyed, and delectable. Other words that describe nectareous include mouthwatering, tantalizing, and delectable. These words are often used to describe fruit, desserts, and other sweet treats. Nectareous drinks and cocktails can be described as refreshing, flavorful, and thirst-quenching. When referring to a person, nectareous can be replaced with charming, delightful, and alluring. Whatever the context, nectareous is a term that is reserved for the most irresistible things in life.