LOWEST

adjective

1. Situated close to, or even below, the ground or another normal reference plane; not high or lofty.
2. Of less than normal height; below the average or normal level from which elevation is measured.
3. Not high in status, esteem or rank, dignity, or quality. (Compare vulgar.)

adverb

1. Close to the ground.
2. Of a pitch, at a lower frequency.
3. With a low voice or sound; not loudly; gently.