This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Away from the defending team's end of the playing field

adj. Describing an NMR resonance at a lower frequency to that of a reference signal

ad. Away from the defending team's end of the playing field

adj. away from the defending teams' end of the playing field

"Runs decent routes, but because he lacks that second gear and burst upfield, is usually only used on flares, outs and check downs. ..."

up   

downfield