softest

softest - adjective

yielding readily to pressure or weight
compassionate and kind; conciliatory
(of sound) relatively low in volume
produced with vibration of the vocal cords
not protected against attack (especially by nuclear weapons)
used chiefly as a direction or description in music
(of light) transmitted from a broad light source or reflected
(of speech sounds); produced with the back of the tongue raised toward the hard palate; characterized by a hissing or hushing sound (as `s' and `sh')

softest - thesaurus