dissatisfy

As an adjective dissatisfactory

is causing dissatisfaction.

As a verb dissatisfy is

to fail to satisfy.

As an adjective unhappy

is not happy; sad.

As a verb dissatisfy is

to fail to satisfy.

As an adjective unsatisfactory

is inadequate, substandard or not satisfactory.

As a verb dissatisfy is

to fail to satisfy.

As verbs the difference between dissatisfy and disappoint

is that dissatisfy is to fail to satisfy while disappoint is to displease by eg underperforming or disappoint can be (internet slang).

As verbs the difference between discontent and dissatisfy

is that discontent is to deprive of contentment; to make uneasy; to dissatisfy while dissatisfy is to fail to satisfy.

As a noun discontent

is dissatisfaction.

As an adjective discontent

is not content; discontented; dissatisfied.

As verbs the difference between dissatisfy and dissatisfied

is that dissatisfy is to fail to satisfy while dissatisfied is (dissatisfy).

As an adjective dissatisfied is

feeling or displaying disappointment or a lack of contentment.

As verbs the difference between disaffected and dissatisfy

is that disaffected is (disaffect) while dissatisfy is to fail to satisfy.

As an adjective disaffected

is alienated or estranged, often with hostile effect; rebellious, resentful; disloyal.

As verbs the difference between dissatisfy and upset

is that dissatisfy is to fail to satisfy while upset is to make (a person) angry, distressed, or unhappy.

As an adjective upset is

(of a person) angry, distressed or unhappy.

As a noun upset is

(uncountable) disturbance or disruption.

As verbs the difference between dissatisfy and perturb

is that dissatisfy is to fail to satisfy while perturb is to disturb; to bother or unsettle.

As verbs the difference between disgruntle and dissatisfy

is that disgruntle is to make discontent or cross; to cause being in a bad temper while dissatisfy is to fail to satisfy.