The word(s) "lose" appears 49 time(s) in 49 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) Who break the covenant of Allah after its confirmation and cut asunder what Allah has ordered to be joined, and make mischief in the land; these it is that are the losers.

(2) Then you turned back after that; so were it not for the grace of Allah and His mercy on you, you would certainly have been among the losers.

(3) And when they meet those who believe they say: We believe, and when they are alone one with another they say: Do you talk to them of what Allah has disclosed to you that they may contend with you by this before your Lord? Do you not then understand?

(4) Those to whom We have given the Book read it as it ought to be read. These believe in it; and whoever disbelieves in it, these it is that are the losers.

(5) And whoever desires a religion other than Islam, it shall not be accepted from him, and in the hereafter he shall be one of the losers.

(6) O you who believe! if you obey those who disbelieve they will turn you back upon your heels, so you will turn back losers.

(7) This day (all) the good things are allowed to you; and the food of those who have been given the Book is lawful for you and your food is lawful for them; and the chaste from among the believing women and the chaste from among those who have been given the Book before you (are lawful for you); when you have given them their dowries, taking (them) in marriage, not fornicating nor taking them for paramours in secret; and whoever denies faith, his work indeed is of no account, and in the hereafter he shall be one of the losers.

(8) And certainly Allah made a covenant with the children of Israel, and We raised up among them twelve chieftains; and Allah said: Surely I am with you; if you keep up prayer and pay the poor-rate and believe in My apostles and assist them and offer to Allah a goodly gift, I will most certainly cover your evil deeds, and I will most certainly cause you to enter into gardens beneath which rivers flow, but whoever disbelieves from among you after that, he indeed shall lose the right way.

(9) O my people! enter the holy land which Allah has prescribed for you and turn not on your backs for then you will turn back losers.

(10) Then his mind facilitated to him the slaying of his brother so he slew him; then he became one of the losers