Added 9 October 2026 up-front adjective adjective ! Definition from Wiktionary (CC BY-SA). More about up-front at Wordnik → Where our words come from → Alternative spelling of upfront. adverb Alternative spelling of upfront. Related Words: front-endstart-upopeningadvancestartingspotinitiallyinitialdepartureupwindimmediateoriginal Back to today's word