Hellacious
Definition 1 of 2

Intensity
When using 'hellacious', emphasize the severity of the situation.

The hellacious workload left everyone exhausted.
Casual
Use it in informal conversations to describe tough situations.

It was a hellacious game last night!
Literary
Employ the word in descriptive writing to add flair and drama.

The hellacious battle left scars on the land.
Compare with
difficultchallengeextremeintensesevere
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