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

(11) And those who believe will say: Are these they who swore by Allah with the most forcible of their oaths that they were most surely with you? Their deeds shall go for nothing, so they shall become losers.

(12) They are losers indeed who reject the meeting of Allah; until when the hour comes upon them all of a sudden they shall say: O our grief for our neglecting it! and they shall bear their burdens on their backs; now surely evil is that which they bear.

(13) A Book revealed to you-- so let there be no straitness in your breast on account of it-- that you may warn thereby, and a reminder close to the believers.

(14) They said: Our Lord! We have been unjust to ourselves, and if Thou forgive us not, and have (not) mercy on us, we shall certainly be of the losers.

(15) And the chiefs of those who disbelieved from among his people said: If you follow Shu'aib, you shall then most surely be losers

(16) Those who called Shu'aib a liar were as though they had never dwelt therein; those who called Shu'aib a liar, they were the losers.

(17) And when they repented and saw that they had gone astray, they said: If our Lord show not mercy to us and forgive us we shall certainly be of the losers.

(18) Whomsoever Allah guides, he is the one who follows the right way; and whomsoever He causes to err, these are the losers.

(19) That Allah might separate the impure from the good, and put the impure, some of it upon the other, and pile it up together, then cast it into hell; these it is that are the losers.

(20) Like those before you; they were stronger than you in power and more abundant in wealth and children, so they enjoyed their portion; thus have you enjoyed your portion as those before you enjoyed their portion; and you entered into vain discourses like the vain discourses in which entered those before you. These are they whose works are null in this world and the hereafter, and these are they who are the losers.