The word(s) "hidden" appears 30 time(s) in 30 verse(s) in Quran in Muhammad Pickthal translation.

(21) (Pure) as they were hidden eggs (of the ostrich).

(22) The day when they come forth, nothing of them being hidden from Allah. Whose is the Sovereignty this day? It is Allah's, the One, the Almighty.

(23) Or say they: He hath invented a lie concerning Allah? If Allah willed, He could have sealed thy heart (against them). And Allah will wipe out the lie and will vindicate the truth by His words. Lo! He is Aware of what is hidden in the breasts (of men).

(24) And there go round, waiting on them menservants of their own, as they were hidden pearls.

(25) Those who avoid enormities of sin and abominations, save the unwilled offences - (for them) lo! thy Lord is of vast mercy. He is Best Aware of you (from the time) when He created you from the earth, and when ye were hidden in the bellies of your mothers. Therefor ascribe not purity unto yourselves. He is Best Aware of him who wardeth off (evil).

(26) Like unto hidden pearls,

(27) In a Book kept hidden

(28) On that day ye will be exposed; not a secret of you will be hidden.

(29) On the day when hidden thoughts shall be searched out.

(30) Save that which Allah willeth. Lo! He knoweth the disclosed and that which still is hidden;