to cause (oneself, a person) to become cheap

diminish worth

to cause (a person) to be very sad

deject, make despondent; exhaust

(to try) to take away the courage or confidence of (a person)

dishearten, dispirit

(to cause a person, thing) to become flat

level out

to argue

bicker, quarrel

to rule (people) unjustly or cruelly; to cause (a person) to feel troubled, uncomfortable

depress, subdue

to defeat (a person) because of greater strength or numbers

beat; get the upper hand

to bring (an angry person, a strong feeling etc)

keep under control; moderate

to conquer (people)

overpower, defeat

to put an end to the activity or existence of (a revolt etc); to prevent (something) from being known or seen

restrain, hold in check