"Arduous" is a word in ENGLISH

arduous ENGLISH
Definition:

Steep and lofty, in a literal sense; hard to climb.

arduous ENGLISH
Definition:

Attended with great labor, like the ascending of
acclivities; difficult; laborious; as, an arduous employment, task, or
enterprise.

Few words of positivity

Time is the easiest asset to spend recklessly...

Innocent Mwatsikesimbe, Mirror

WORD SUGGESTIONS
Laugh your heart out.

Did you hear about the stupid water-polo player?His horse drowned . . .

steep ENGLISH

Difficult of access; not easy reached; lofty; elevated; high.

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steepness ENGLISH

Height; loftiness.

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steep-up ENGLISH

Lofty and precipitous.

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