Added 10 October 2026 tintack noun Categories: ThingsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about tintack at Wordnik → Where our words come from → Tack or small nail of tinned iron. Origin From tin + tack. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: tackettingletackthumbtacktatchtiepintain Back to today's word