Added 10 October 2026 extraterminal adjective adjective ! Definition from Wiktionary (CC BY-SA). More about extraterminal at Wordnik → Where our words come from → Outside a terminus Origin From extra- + terminal. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: intraterminalparaterminalsupraterminalextrajunctionalexoentericextrastructuralinterterminalextraneuronalextraintestinalextrameatalsubterminalextracompartmental Back to today's word