hilariously
adv. manner B2 Upper Intermediate US //hɪˈɫɛɹiəsɫi// UK //hɪlˈeəɹɪəsli// hi·lar·i·ous·ly
adv. in a way that is extremely funny. You use this when something makes you laugh a lot.
adv. in an extremely amusing or comical manner. Often used as a sentence modifier to express the speaker's attitude toward a situation.
The cat failed hilariously to jump onto the sofa.
The play was hilariously bad, with actors forgetting their lines and props falling over throughout the night.
The politician's attempt to appear relatable backfired hilariously when he failed to identify a single common grocery item during the televised interview.
Usage
Can function as a manner adverb or a sentence adverb; in the latter case, it often appears at the start of a clause.