خَيْرٌ

A word in the Arabic language will either be 1) a verb or 2) a noun or 3) a particle – خَيْرٌ is a noun

A noun may either be 1) Definite or indefinite 2) Masculine or feminine 3) Singular, dual or plural 4) Nominative, accusative or genitive

خَيْرٌ is the natural state of this indefinite noun and it is in this state ( مَرْفُوْعٌ) when the noun is: 1) the subject المُبْتَدَأُ or 2) the predicate الخَبَرُ or 3) اسْمُ كَانَ or 4) خَبَرُ إِنَّ or 5) الفَاعِلُ subject of a verb in the active voice or 6) نَائِبُ الفَاعِلِ subject of a verb in the passive voice or 7) it’s a noun of dependent declension a) نَعْتٌ / صِفَطٌ adjectives b) التَّوْكِيْدُ emphatic c) المَعْطُوْفٌ conjunction d) البَدَلُ synonym

Good, Agreeable

To be in good circumstances, be favourable to, choose, prefer, select, earn wealth

النَّكِرَةُمُفْرَدٌمُذَكَّرٌمَرْفُوْعٌخ ي ربَاب ضَرَبَ خَارَ يَخِيْرُ .فَعْلٌاسْمٌالمَصْدَرُ المُجَرَّدُالْمَصْدَرُ
IndefiniteSingularMasculineNominativeRootGoodضPatternNounRoot letters onlyVerbal noun
Surah/Below are the 57 verses in the holy Quran containing the indefinite, nominative nounخَيْرٌ
Verse
And when Moses said to his people “O my people! Truly you have wronged yourselvesوَإِذْ قَالَ مُوْسَى لِقَوْمِهِ يَا قَوْمِ إِنَّكُمْ ظَلَمْتُمْ أَنْفُسَكُمْ
by taking the calf (for worship) so, turn to your Creator (in repentance)بِاتِّخَاذِكُمُ العِجْلَ فَتُوْبُوْا إِلَى بَارِئِكُمْ
and kill yourselves (ego) that will be better for you with your Creator”فَاقْتُلُوْا أَنْفُسَكُمْ ذَلِكُمْ خَيْرٌ لَّكُمْ عِنْدَ بَارِئِكُمْ
2-54then He accepted your repentance Truly He is the One Who accepts repentance, Most Mercifulفَتَابَ عَلَيْكُمْ إِنَّهُ هُوَ التَّوَّابُ الرَّحِيْمُ
And when you said “O Moses we cannot endure one kind of foodوَإِذْ قُلْتُمْ يَا مُوْسَى لَنْ نَّصْبِرَ عَلَى طَعَامٍ وَاحِدٍ
so, invoke your Lord for us to bring forth for us of what the earth growsفَادْعُ لَنَا رَبَّكَ يُخْرِجْ لَنَا مِمَّا تُنْبِتُ الأَرْضُ
of its herbs, its cucumbers, its wheat/garlic, its lentils and its onions”مِنْ بَقْلِهَا وَ قِثَّآئِهَا وَفَوْمِهَا وَعَدَسِهَا وَبَصَلِهَا
He said “Would you exchange for that which is lesser with that which is better?قَالَ أَتَسْتَبْدِلُوْنَ الَّذِي هُوَ أَدْنَى بِالَّذِي هُوَ خَيْرٌ
Go you down to a town and you shall find what you are asking for”اهْبِطُوْا مِصْرًا فَإِنَّ لَكُمْ مَّا سَأَلْتُمْ
And they were covered with humiliation and misery as they drew on themselves the Wrath of Allah (SWT)وَضُرِبَتْ عَلَيْهِمُ الذِّلَّةُ وَالمَسْكَنَةُ وَبَآءُوْا بِغَضَبٍ مِّنَ اللهِ
that due to their disbelieving in the signs of Allah (SWT)ذَلِكَ بِأَنَّهُمْ كَانُوْا يَكْفُرُوْنَ بِئَايَاتِ اللهِ
and killing the Prophets without rightوَيَقْتُلُوْنَ النَّبِيِّيْنَ بِغَيْرِ الحَقِّ
2-61that was because they disobeyed and were transgressingذَلِكَ بِمَا عَصَوْا وَّكَانُوْا يَعْتَدُوْنَ
And had they believed and been mindful (of Allah SWT)وَلَوْ أَنَّهُمْ ءَامَنُوْا وَاتَّقُوْا
2-103better would have been their reward with Allah (SWT) if only they knewلَمَثُوْبَةٌ مِّنْ عِنْدِ اللهِ خَيْرٌ لَّوْ كَانُوْا يَعْلَمُوْنَ
For a fixed number of days but if any of you is ill or on a journeyأَيَّامًا مَّعْدُوْدَاتٍ فَمَنْ كَانَ مِنْكُمْ مَرِيْضًا أَوْ عَلَى سَفَرٍ
the same number from other days and on those who can afford itفَعِدَّةٌ مِنْ أَيَّامٍ أُخَرَ وَعَلَى الَّذِيْنَ يُطِيْقُوْنَهُ
a ransom of feeding a needy (poor) but who volunteers to do more, then it is better for himفِدْيَةٌ طَعَامُ مِسْكِيْنٍ فَمَنْ تَطَوَّعَ خَيْرًا فَهُوْ خَيْرٌ لَّهُ
2-184and to fast is better for you if you only knewوَأَنْ تَصُوْمُوْا خَيْرٌ لَّكُمْ إِنْ كُنْتُمْ تَعْلَمُوْنَ
Fighting is prescribed for you while it is hateful to you but, perhapsكُتِبَ عَلَيْكُمُ القِتَالُ وَهُوَ كُرْهٌ لَّكُمْ وَعَسَى
but, perhaps that you dislike a thing that is good for you and, perhaps that you love a thingأَنْ تَكْرَهُوا شَيْئًا وَهُوَ خَيْرٌ لَّكُمْ وَعَسَى أَنْ تُحِبُّوا شَيْئًا
2-216that is bad for you and Allah (SWT) knows while you do not knowوَهُوَ شَرٌّ لَّكُمْ وَاللهُ يَعْلَمُ وَأَنْتُمْ لَا تَعْلَمُوْنَ
concerning the world and the hereafter and they ask you about the orphansفِى الدُّنْيَا وَالآخِرَةِ وَيَسْئَلُوْنَكَ عَنِ اليَتَامَى
say, “setting right for them is good and if you associate with them then they are your brothersقُلْ إِصْلَاحٌ لَّهُمْ خَيْرٌ وَإِنْ تُخَالِطُوْهُمْ فَإِخْوَانُكُمْ
and Allah (SWT) knows the corrupter from the amender and if Allah (SWT) willedوَاللهُ يَعْلَمُ المُفْسِدَ مِنَ المُصْلِحِ وَلَوْ شَآءَ اللهُ
2-220surely, He could have put you in difficulties truly, Allah (SWT) is All-Mighty, All-Wiseلَأَعْنَتَكُمْ إِنَّ اللهَ عَزِيْزٌ حَكِيْمٌ
and do not marry polytheist women until they believe and a believing slave girlوَلَا تَنْكِحُوا المُشْرِكَاتِ حَتَّى يُؤْمِنَّ وَلَأَمَةٌ مَّؤْمِنَةٌ
is better than a polytheist woman even if she impresses you and do not give in marriage to polytheist menخَيْرٌ مِّن مُّشْرِكَةٍ وَلَوْ أَعْجَبَتْكُمْ وَلَا تُنْكِحُوا المُشْرِكِيْنَ
until they believe, and a believing slave is better than a polytheist man even if he impresses youحَتَّى يُؤْمِنُوا وَلَعَبْدٌ مُّؤْمِنٌ خَيْرٌ مِّن مُّشْرِكٍ وَلَوْ أَعْجَبَكُمْ
those, they invite to the fire and Allah (SWT) invites to Paradise and forgivenessأُوْلَآئِكَ يَدْعُوْنَ إِلَى النَّارِ وَاللهُ يَدْعُوا إِلَى الجَنَّةِ وَالمَغْفِرَةِ 
2-221by His permission and He makes clear his verses for the people so that you may remember (take heed)بِإِذْنِهِ وَيُبَيِّنُ ءَايَاتِهِ لِلنَّاسِ لَعَلَّهُمْ يَتَذَكَّرُوْنَ
Kind words and forgiveness are better than charity followed by injury (harm)قَوْلٌ مَّعْرُوْفٌ وَمَغْفِرَةٌ خَيْرٌ مِّن صَدَقَةٍ يَتْبَعُهَآ أَذًى
2-263and Allah (SWT) is All-Sufficient, All-Forbearingوَاللهُ غَنِيٌّ حَلِيْمٌ
If you disclose the charities, then good that is and if you conceal itإِنْ تُبْدُوا الصَّدَقَاتِ فَنِعِمَّا هِيَ وَإِنْ تُخْفُوْهَا
and give it to the poor then it is better for you, and He will remove from you from your evil deedsوَتُؤْتُوْهَا الفُقَرَآءَ فَهُوَ خَيْرٌ لَّكُمْ وَيُكَفِّرُ عَنْكُم مِّنْ سَيِّئَاتِكُمْ
2-271and Allah (SWT) over what you do is All-Awareوَاللهُ بِمَا تَعْمَلُوْنَ خَبِيْرٌ
and if he be possessing difficulty (hardship) then respite (postponement) until easeوَإِنْ كَانَ ذُو عُسْرَةٍ فَنَظِرَةٌ إِلَى مَيْسَرَةٍ
2-280and if you remit as charity, it is better for you if you knowوَأَنْ تَصَدَّقُوا خَيْرٌ لَّكُمْ إِنْ كُنْتُمْ تَعْلَمُوْنَ
3-157
3-178
3-198
4-25
4-59
4-77
4-128
6-32
7-12
7-26
7-85
7-169
8-19
9-3
9-41
10-58
16-95
16-126
17-35
18-44
18-46
19-73
19-76
20-131
22-11
22-30
22-36
24-11
24-27
24-60
25-15
25-24
27-89
28-84
29-16
30-38
37-62
38-76
43-52
44-37
58-12
61-11
62-9
62-11
87-17although the hereafter is better and more lastingوَالآخِرَةُ خَيْرٌ وَأَبْقَى
93-4And verily the hereafter is better for you than the presentوَلَلْآخِرَةُ خَيْرٌ لَّكَ مِنَ الْأُوْلَى
97-3The night of Qadr is better than a thousand monthsلَيْلَةُ القَدْرِ خَيْرٌ مِّنْ أَلْفِ شَهْرٍ