thumb noun verb Stress: first syllable π€ Save Syllables: thumb (1) English Definition The short, thick first digit of the human hand Example Sentence He pressed the button with his thumb. US IPA /ΞΈΚm/ π Listen US UK IPA /ΞΈΚm/ π Listen UK Synonyms digit finger pollex Antonyms toe sole Share this Word Facebook WhatsApp X Telegram Copy Link