Added 10 October 2026 gridlock /ˈɡɹɪdˌlɒk/ noun Categories: SocietyRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about gridlock at Wordnik → Where our words come from → A traffic jam so bad that no movement is possible. Origin From grid + lock. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: alleygatinglockinglockblockadelock-uplogjamcongestionblockstandoffcrowdingdeadlock Back to today's word