barterEnglishOxford American Thesaurusbarter verb 1 peasants with a surplus of food could barter it for vital equipment: trade, swap, trade off, exchange, give in exchange, change, traffic, sell. 2 you can barter for souvenirs in the flea market: haggle, bargain, negotiate, discuss terms, hold talks, deal, wheel and deal, trade, traffic; North American dicker; formal treat; archaic chaffer, palter.noun an economy based on barter: trading, trade, exchange, swapping, trafficking, business, commerce, buying and selling, dealing; haggling, negotiation.