upfield adjective 3adverb 2forms 4 adjective3 •Towards the upper part of a field. •Away from the defending team's end of the playing field.Henderson, beginning a mini-run in the team with David de Gea on paternity leave, threw out to the left flank and Shaw had only one thought – to rumble upfield. — 2021 •Describing an NMR resonance at a lower frequency to that of a reference signal. adverb2 •Towards the upper part of a field. •Away from the defending team's end of the playing field.The All Blacks drove upfield, using up the remaining moments, and when Joubert blew for another French infringement, the biggest party in New Zealand's history was under way. — 2011 formsfarther upfield · further upfield · farthest upfield · furthest upfield