The word(s) "heedlessness" appears 2 time(s) in 2 verse(s) in Quran in Saheeh International translation.

(1) And warn them, [O Muhammad], of the Day of Regret, when the matter will be concluded; and [yet], they are in [a state of] heedlessness, and they do not believe.

(سورة مريم, Maryam, Chapter #19, Verse #39)
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(2) [The time of] their account has approached for the people, while they are in heedlessness turning away.

(سورة الأنبياء, Al-Anbiyaa, Chapter #21, Verse #1)
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