reacts verb Stress: second syllable 🤍 Save Syllables: re-acts (2) English Definition Behaves in a particular way in response to something. Example Sentence He reacts very calmly under pressure. US IPA /riˈækts/ 🔊 Listen US UK IPA /riˈækts/ 🔊 Listen UK Synonyms responds behaves answers retaliates Antonyms ignores overlooks Share this Word Facebook WhatsApp X Telegram Copy Link