reflexes noun Stress: first syllable 🤍 Save Syllables: re-flex-es (3) English Definition Involuntary physical reactions to a stimulus. Example Sentence A good goalkeeper needs fast reflexes. US IPA /ˈriːfleksɪz/ 🔊 Listen US UK IPA /ˈriːfleksɪz/ 🔊 Listen UK Synonyms reactions responses instincts Share this Word Facebook WhatsApp X Telegram Copy Link