dulcet

Use the adjective dulcet to describe a sound that is soothing and soft, like the dulcet harmonies in a 70s pop song or the dulcet tones of a harp.

The word dulcet worked its way into English by way of the French word doucet, which is related to the word doux, meaning “sweet.” Originally applied to anything sweet or pleasing, such as something that tastes sweet or a sweet glance from a stranger, nowadays the word is most often used to describe sounds that are gentle and melodious — sweet sounds.

Definitions of dulcet
1

adj pleasing to the ear

“the dulcet tones of the cello”
Synonyms:
honeyed, mellifluous, mellisonant, sweet
melodic, melodious, musical
containing or constituting or characterized by pleasing melody

adj extremely pleasant in a gentle way

“the most dulcet swimming on the most beautiful and remote beaches”
Synonyms:
pleasant
affording pleasure; being in harmony with your taste or likings

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