upfrontPronunciation: /ʌpˈfrʌnt, ˈʌp-/ informalTranslate upfront | into French | into Italian | into Spanish Definition of upfront adverb (usually up front) 1at the front; in front:he can play up front or in defence 2(of a payment) in advance: the salesmen are paid commission up front adjective 1bold, honest, and frank:he’d been upfront about his intentions 2 [attributive] (of a payment) made in advance: an upfront fee of 4% 3chiefly North American at the front or the most prominent position:a literary weekly with an upfront section modelled on the New Yorkerupfront in other Oxford dictionaries Definition of upfront in the US English dictionary