Definition of crueler:
(adj) :
Intentionally causing or reveling in pain and suffering; merciless, heartless.
(adj) :
Harsh; severe.
(adj) :
(slang) Cool; awesome; neat.
(adv) :
(nonstandard) To a great degree; terribly.
(v) :
(chiefly Australia, New Zealand) To spoil or ruin (one's chance of success)
(v) :
(Australia, ambitransitive) To violently provoke (a child) in the belief that this will make them more assertive.