lower

> lower (1)
(verb)
depress, drop, sink, subside.
debase, degrade, disgrace, humble, humiliate, reduce.
abate, decrease, diminish, lessen.

> lower (1)
(adjective)
baser, inferior, less, lesser, shorter, smaller.
subjacent, under.

> lower (2)
(verb)
blacken, darken, frown, glower, threaten.