softer
sof-ter
adjective
Having a more yielding, less firm, or more gentle quality than something else.
"This new cushion feels much softer than the old one."
Thesaurus
Synonyms: untoughened, delicate, tender, soft, light, gentle, easy, mild, piano, pianissimo assai, pianissimo, diffused
Antonyms: concentrated, forte, hard, hardened, loud, surd, unvoiced, voiceless