"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

The way you build trust with your team is around super-clear communication in that instant when they say, 'I will be sad if you don't do X.' You have to say, 'We're not going to do X, and here's why, and believe me, you'll be much sadder later if I let you go do it and you spend a bunch of time on it and nothing ever happens.'

Dick Costolo

WORD SUGGESTIONS
Laugh your heart out.

Waiter, waiter, does the pianist play requests? Yes, sir. Then ask him to play tiddlywinks until I've finished my meal.

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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