sly adjective Stress: first syllable π€ Save Syllables: sly (1) English Definition Having or showing a cunning and deceitful nature. Example Sentence He gave a sly smile. US IPA /slaΙͺ/ π Listen US UK IPA /slaΙͺ/ π Listen UK Synonyms cunning crafty wily artful devious Antonyms honest naive frank straightforward Share this Word Facebook WhatsApp X Telegram Copy Link