"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.
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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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ENGLISH
Height; loftiness.
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ENGLISH
Lofty and precipitous.
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