Not deserved, earned or merited; unjustifiable or unfair.

Considered unworthy of reward.

Third-person singular simple present indicative form of undeserve

(obsolete) To fail to deserve.

plural of undeserver

(obsolete) One of no merit; one who is not worthy.

(dated) Poor people who ought to be able to provide for themselves but are too lazy to do so, and thus seen as not worthy of charity.

In an undeserved manner.

The state or condition of being undeserved.