The word(s) "steadfast" appears 39 time(s) in 34 verse(s) in Quran in Muhammad Pickthal translation.

(11) O Prophet! Exhort the believers to fight. If there be of you twenty steadfast they shall overcome two hundred, and if there be of you a hundred (steadfast) they shall overcome a thousand of those who disbelieve, because they (the disbelievers) are a folk without intelligence.

(12) Now hath Allah lightened your burden, for He knoweth that there is weakness in you. So if there be of you a steadfast hundred they shall overcome two hundred, and if there be of you a thousand (steadfast) they shall overcome two thousand by permission of Allah. Allah is with the steadfast.

(13) We verily sent Moses with Our revelations, saying: Bring thy people forth from darkness unto light. And remind them of the days of Allah. Lo! therein are revelations for each steadfast, thankful (heart).

(14) Such as are steadfast and put their trust in Allah.

(15) That which ye have wasteth away, and that which Allah hath remaineth. And verily We shall pay those who are steadfast a recompense in proportion to the best of what they used to do.

(16) Then lo! thy Lord - for those who became fugitives after they had been persecuted, and then fought and were steadfast - lo! thy Lord afterward is (for them) indeed Forgiving, Merciful.

(17) Lord of the heavens and the earth and all that is between them! Therefor, worship thou Him and be thou steadfast in His service. Knowest thou one that can be named along with Him?

(18) And (mention) Ishmael, and Idris, and Dhu'l-Kifl. All were of the steadfast.

(19) Lo! I have rewarded them this day forasmuch as they were steadfast in that they, even they, are the triumphant.

(20) We never sent before thee any messengers but lo! they verily ate food and walked in the markets. And We have appointed some of you a test for others: Will ye be steadfast? And thy Lord is ever Seer.