v. a.
1.
Lower, detrude, drop, sink, bow, reduce, press down, let down, let fall, cast down, bring down.
2.
Degrade, humble, disgrace, humiliate, debase, abase, abash, bring low, take down.
3.
Discourage, dishearten, dispirit, deject, damp, dampen, chill, sadden, make sad, make despondent.
4.
Make dull ( as trade ), lower.