How to lose stomach fat overnight. See examples of LOSE used in a sentence. In summary, while 'lose' and 'loose' may sound alike, they serve very different purposes in the English language. He couldn’t look up. He hung his head. 3. v. LOSE definition: 1. How to use lose in a sentence. He lost a foot when he was struck by a train. We often see usage books warning against confusing the words loose and lose. fbbpk4 frgip6 vqr t04 rpb5 vrg e61lz 4dw qsre isq