upgradient adjective 2adverb 2forms 2 adjective2 •A position up along a gradient from a starting position. •a location that is the source groundwater for another location; similar to upstream.Uncontaminated groundwater is found upgradient of a contamination source. adverb2 •The reverse direction along a gradient. •a direction that groundwater flows from. formsmore upgradient · most upgradient
