up·frontBrE/ˌʌpˈfrʌnt/NAmE/ˌʌpˈfrʌnt/adjective~ (aboutsth)nottryingtohidewhatyouthinkordo坦率的;诚实的;直爽的SYNhonest, frank◆He'sbeenupfrontabouthisintentionssincethebeginning. 他从一开始就坦白说出了他的意图。[only before noun]paidinadvance, beforeotherpaymentsaremade预付的;预交的◆Therewillbeanupfrontfeeof4%. 将收取 4% 的预付费。➡ see alsoup front at frontnoun