Adjective

1. Yielding readily to pressure or weight
2. Compassionate and kind; conciliatory
3. (of sound) relatively low in volume
4. Produced with vibration of the vocal cords
5. Not protected against attack (especially by nuclear weapons)
6. Used chiefly as a direction or description in music
7. (of light) transmitted from a broad light source or reflected
8. (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')

Adverb

1. In a relaxed manner; or without hardship; (`soft' is nonstandard)