The word(s) "engaged" appears 5 time(s) in 4 verse(s) in Quran in Saheeh International translation.

(1) Indeed, those [worshippers] - destroyed is that in which they are [engaged], and worthless is whatever they were doing."

(2) [You disbelievers are] like those before you; they were stronger than you in power and more abundant in wealth and children. They enjoyed their portion [of worldly enjoyment], and you have enjoyed your portion as those before you enjoyed their portion, and you have engaged [in vanities] like that in which they engaged. [It is] those whose deeds have become worthless in this world and in the Hereafter, and it is they who are the losers.

(3) And, [O Muhammad], you are not [engaged] in any matter or recite any of the Qur'an and you [people] do not do any deed except that We are witness over you when you are involved in it. And not absent from your Lord is any [part] of an atom's weight within the earth or within the heaven or [anything] smaller than that or greater but that it is in a clear register.

(4) And we used to enter into vain discourse with those who engaged [in it],