1. verbto give a higher value to something or someone than is rightUsagethese shares are overvalued at £1.25the shares are worth less than the £1.25 for which they are sellingUsagethe pound is overvalued against the dollarthe exchange rate gives too many dollars to the pound, considering the strength of the two countries' economies"...the fact that sterling has been overvalued for the past three years shows that currencies can remain above their fair value for very long periods" [Investors Chronicle] 2. Perceived to be too expensive. opposite of undervalued. to give a higher value to something or someone than is right