The word(s) "bad" appears 22 time(s) in 20 verse(s) in Quran in Muhammad Pickthal translation.

(11) He said: What hindered thee that thou didst not fall prostrate when I bade thee? (Iblis) said: I am better than him. Thou createdst me of fire while him Thou didst create of mud.

(12) Then Satan whispered to them that he might manifest unto them that which was hidden from them of their shame, and he said: Your Lord forbade you from this tree only lest ye should become angels or become of the immortals.

(13) As for the good land, its vegetation cometh forth by permission of its Lord; while as for that which is bad, only the useless cometh forth (from it). Thus do We recount the tokens for people who give thanks.

(14) And We wrote for him, upon the tablets, the lesson to be drawn from all things and the explanation of all things, then (bade him): Hold it fast; and command thy people (saying): Take the better (course made clear) therein. I shall show thee the abode of evil-livers.

(15) And when they forgot that whereof they had been reminded, We rescued those who forbade wrong, and visited those who did wrong with dreadful punishment because they were evil-livers.

(16) And (there are) others who have acknowledged their faults. They mixed a righteous action with another that was bad. It may be that Allah will relent toward them. Lo! Allah is Forgiving, Merciful.

(17) And the similitude of a bad saying is as a bad tree, uprooted from upon the earth, possessing no stability.

(18) Lo! they who spread the slander are a gang among you. Deem it not a bad thing for you; nay, it is good for you. Unto every man of them (will be paid) that which he hath earned of the sin; and as for him among them who had the greater share therein, his will be an awful doom.

(19) Or do those who commit ill-deeds suppose that We shall make them as those who believe and do good works, the same in life and death? bad is their judgment!

(20) O ye who believe! Let not a folk deride a folk who may be better than they (are), not let women (deride) women who may be better than they are; neither defame one another, nor insult one another by nicknames. bad is the name of lewdness after faith. And whoso turneth not in repentance, such are evil-doers.