The word(s) "bar" appears 90 time(s) in 86 verse(s) in Quran in Mohsin Khan translation.

(51) And it is He Who has let free the two seas (kinds of water): this is palatable and sweet, and that is salt and bitter; and He has set a barrier and a complete partition between them.

(52) "This is no other than the false tales and religion of the ancients, [Tafsir At-Tabari]

(53) "I found her and her people worshipping the sun instead of Allah, and Shaitan (Satan) has made their deeds fair-seeming to them, and has barred them from (Allah's) Way: so they have no guidance."

(54) [As Shaitan (Satan) has barred them from Allah's Way] so they do not worship (prostrate themselves before) Allah, Who brings to light what is hidden in the heavens and the earth, and knows what you conceal and what you reveal. [Tafsir At-Tabari]

(55) Is not He (better than your gods) Who has made the earth as a fixed abode, and has placed rivers in its midst, and has placed firm mountains therein, and has set a barrier between the two seas (of salt and sweet water)? Is there any ilah (god) with Allah? Nay, but most of them know not!

(56) And you (O Muhammad صلى الله عليه وسلم) were not at the side of the Tur (Mount) when We did call: [it is said that Allah called the followers of Muhammad صلى الله عليه وسلم, and they answered His Call, or that Allah called Musa (Moses)]. But (you are sent) as a mercy from your Lord, to give warning to a people to whom no warner had come before you: in order that they may remember or receive admonition. [Tafsir At-Tabari].

(57) And to (the people of) Madyan (Midian), We sent their brother Shu'aib. He said: "O my people! Worship Allah (Alone) and hope for (the reward of good deeds by worshipping Allah Alone, on) the last Day (i.e. the Day of Resurrection), and commit no mischief on the earth as Mufsidun (those who commit great crimes, oppressors, tyrants, mischief-makers, corrupters). [Tafsir At-Tabari]

(58) And when they embark on a ship, they invoke Allah, making their Faith pure for Him only: but when He brings them safely to land, behold, they give a share of their worship to others .

(59) Do they not think deeply (in their ownselves) about themselves (how Allah created them from nothing, and similarly He will resurrect them)? Allah has created not the heavens and the earth, and all that is between them, except with truth and for an appointed term. And indeed many of mankind deny the Meeting with their Lord. [Tafsir At-Tabari].

(60) And His are all the praises and thanks in the heavens and the earth; and (glorify Him) in the afternoon (i.e. offer 'Asr prayer) and when you come up to the time, when the day begins to decline (i.e. offer Zuhr prayer). (Ibn 'Abbas said: "These are the five compulsory congregational prayers mentioned in the Qur'an)." [Tafsir At-Tabari]