Simple past tense and past participle of oversupply.(verb)
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Use "oversupplied" in a sentence
"Physical funds also don't suffer the negative returns that result from rolling futures positions in oversupplied commodities markets."
"VIENNA (AP) - OPEC has decided to leave its crude output targets unchanged because global crude markets are "oversupplied" and there are lingering worries about economic recovery."
"In view of the drop in oil prices by almost 30 \% since mid-July, OPEC has cut its production quotas by 520,000 barrels per day as it considers the international oil market to be "oversupplied"."