- dulcet - extremely pleasant in a gentle way; "the most dulcet swimming on the most beautiful and remote beaches"
Antonym: unpleasant (indirect, via pleasant)
- dulcet, honeyed, mellifluous, mellisonant, sweet - pleasing to the ear; "the dulcet tones of the cello"
Antonyms: unmelodious, unmelodic, unmusical (indirect, via melodious)