JUDGE [T] › to judge the quality, effect, importance, or value of something: We will soon be able to measure the results of these policy changes. They measured the performance of three different engines. FIND SIZE [T] › to find the size, weight, amount, or speed of something: I've measured all the windows. The distances were measured in kilometres. BE SIZE [I] › to be a certain size: a whale measuring around 60 feet in length