whistle noun verb Stress: first syllable 🤍 Save Syllables: whis-tle (2) English Definition A clear, high-pitched sound made by forcing breath through a small hole Example Sentence The referee blew his whistle. US IPA /ˈwɪsl/ 🔊 Listen US UK IPA /ˈwɪsl/ 🔊 Listen UK Synonyms pipe flute siren shriek Share this Word Facebook WhatsApp X Telegram Copy Link