From Longman Business Dictionaryilliquidil‧liq‧uid /ɪˈlɪkwɪd/ adjectiveFINANCE involving things that cannot easily be changed into cash, or things that are difficult to buy and sellreal estate and other illiquid assetsBecause bank loans are typically illiquid, they are difficult for outsiders to value. → opposite liquid —illiquidity noun [uncountable]The drawback is that small shares may be difficult to sell because of illiquidity.