hilarious adjective Stress: second syllable 🤍 Save Syllables: hi-lar-i-ous (4) English Definition Extremely amusing or funny. Example Sentence The joke was absolutely hilarious. US IPA /hɪˈleriəs/ 🔊 Listen US UK IPA /hɪˈleəriəs/ 🔊 Listen UK Synonyms funny humorous comical hysterical Antonyms serious sad grave Share this Word Facebook WhatsApp X Telegram Copy Link