Also means
hilarious, outrageous
Usage Note
Délirant can describe both feverish delirium and something so absurd it provokes laughter. The related noun délire covers both medical delirium and wild excitement. In informal speech, c'est délirant ! means 'that's insane!' as a compliment.
Examples
"Ce film est vraiment délirant."
Natural Translation
This film is truly insane (in a good way).

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