harder
har-der
adverb
With greater effort, force, or intensity than before.
"You need to try harder."
adjective
More difficult to do, understand, or deal with than before.
"This puzzle is much harder."
Thesaurus
Synonyms: hard-boiled, steely, scheming, calculating, hardened, calculative, conniving, hard, shrewd, case-hardened, intemperate, indulgent
Antonyms: diffuse, diffused, easy, lightly, soft, sonant, voiced