Tafsir al-Kashshaf: Al-Zamakhshari's Exegesis and Its Mu'tazili Theology

Tafsir al-Kashshaf 'an Haqa'iq Ghawamid at-Tanzil (The Unveiler of the Realities and Secrets of the Revelation) is a monumental work of Quranic exegesis composed by Abu al-Qasim Mahmud ibn Umar az-Zamakhshari (467–538 AH / 1075–1144 CE), a scholar of Arabic linguistics, rhetoric, and grammar from Khwarezm. It is widely regarded as the most sophisticated grammatical and rhetorical commentary on the Quran ever written, and its influence on every subsequent tafsir that engaged seriously with Arabic style is immense. At the same time, it contains a systematic theological framework rooted in Mu'tazili aqeedah — a position that departed significantly from the understanding of Ahl us-Sunnah wal-Jama'ah on foundational matters of belief.

The Author: Az-Zamakhshari

Az-Zamakhshari was a brilliant linguist and committed Mu'tazili. He was not primarily known as a Mu'tazili polemicist — his major contribution was in Arabic grammar and literary criticism — but his theological commitments permeated his tafsir and informed his interpretation of critical passages of the Quran. He is reported to have performed hajj and became known as Jar Allah ("the neighbor of Allah") due to his extended stay in Mecca. He was widely respected by scholars across theological lines for his mastery of Arabic, even as many of them disagreed with his aqeedah.

The Mu'tazili Theological Framework

The Mu'tazilah were a school of speculative theology (kalam) that flourished in the second and third centuries AH. Their foundational positions, from which az-Zamakhshari did not deviate, included several points condemned by the scholars of Ahl us-Sunnah:

• The Quran is created. The Mu'tazilah held that the Quran — the speech of Allah — is a created thing. This position was explicitly rejected by Imam Ahmad ibn Hanbal and became one of the defining tests of Sunni orthodoxy. The position of Ahl us-Sunnah, established through the famous Mihna (Inquisition) and defended at great personal cost by Imam Ahmad and others, is that the Quran is the uncreated speech of Allah.
• Denial of the divine attributes. The Mu'tazilah denied the eternal, real attributes of Allah — His knowledge, power, will, and other attributes — holding that affirming them would imply multiplicity in the divine essence (ta'til). The Athari, Ash'ari, and Maturidi schools all affirmed the divine attributes in ways that reject ta'til while guarding against anthropomorphism.
• The rational obligation of the "best action" (al-aslah). The Mu'tazilah held that Allah is rationally obligated to do what is best for His servants — a position that Sunni theologians regarded as limiting divine will and sovereignty in ways unsupported by revelation.
• The vision of Allah in the hereafter denied. The Mu'tazilah denied that the believers will see Allah in the hereafter, interpreting the relevant Quranic verses and mutawatir hadith in ways that contradicted what Ahl us-Sunnah regarded as explicit revelation.

How These Issues Appear in Al-Kashshaf

Az-Zamakhshari's Mu'tazili commitments are not marginal features of al-Kashshaf — they appear at every passage where his theological positions have hermeneutic implications. His interpretations of the divine names and attributes, his readings of verses about divine speech, his treatment of verses concerning the beatific vision, and his handling of the Quranic arguments for divine uniqueness are all shaped by his theological framework. Many of these interpretations require ta'wil (allegorical reinterpretation) of apparently clear texts in ways that Athari, Ash'ari, and Maturidi scholars either rejected outright or considered methodologically problematic.

Classical Sunni scholars were explicit about this. Imam Ibn Khaldun noted that al-Kashshaf was a work one had to read "with caution." Hafiz Ibn Hajar al-Asqalani described it as a work requiring expertise to distinguish its linguistic brilliance from its theological deviations. Ibn al-Munayyir al-Iskandari (d. 683 AH / 1284 CE) wrote an entire companion work, Al-Intisaf min al-Kashshaf, specifically to refute the Mu'tazili interpolations in az-Zamakhshari's commentary verse by verse. Later scholars often read al-Kashshaf together with Al-Intisaf to benefit from the linguistic content while being corrected on the theological deviations.

Its Value and Its Limits

The rhetorical and linguistic analysis in al-Kashshaf is genuinely brilliant and has no parallel in the classical tradition. Scholars who wrote Sunni tafsirs that engaged seriously with Arabic style — including az-Zamakhshari's own contemporary Fakhr ad-Din ar-Razi in his Mafatih al-Ghayb, and later az-Zamakhshari's student-of-student Ibn 'Atiyyah — drew on his linguistic observations extensively while correcting his theological conclusions. The tradition of Sunni scholarship did not ignore al-Kashshaf: it read it carefully, extracted its contribution to Arabic literary analysis, and systematically refuted its aqeedah.

For a general reader, however, al-Kashshaf is not an appropriate starting point or primary reference for Quranic understanding. The Mu'tazili theological position it embeds throughout the text requires specialist knowledge to identify and evaluate. Readers seeking an orthodox Sunni exegesis should consult Tafsir Ibn Kathir, which is grounded in hadith and Athari aqeedah; Tafsir al-Qurtubi, which is comprehensive in both narrative and fiqh; or Tafsir at-Tabari, which is the foundational collection of transmitted reports from the Companions and Successors. Those interested in Quranic Arabic style and rhetoric will find az-Zamakhshari's observations discussed and assessed in these and other Sunni commentaries that drew on his linguistic work without endorsing his theology.

Why Islam.wiki Does Not Carry This Book

Islam.wiki serves the global community of Ahl us-Sunnah wal-Jama'ah. Our books library presents classical Islamic scholarship as an accessible resource for students, scholars, and interested readers who may not have the training to identify embedded theological deviations. Al-Kashshaf, given the systematic nature of its Mu'tazili aqeedah and the genuine difficulty of distinguishing its linguistic analysis from its theological interpolations without specialist knowledge, does not fit the criteria for inclusion in our general library. Its theological framework on the fundamental question of the divine attributes and the nature of the Quran contradicts the position of Ahl us-Sunnah as defined by the scholars of all three major creedal schools — Athari, Ash'ari, and Maturidi.

This is not a judgment on az-Zamakhshari's sincerity, his linguistic genius, or the enormous contribution he made to Islamic scholarship. It is a recognition that this particular work, read without the correction supplied by Al-Intisaf and specialist Sunni scholarship, carries a theological risk for general readers that outweighs the benefit of accessibility. Scholars of Arabic and tafsir who wish to engage with al-Kashshaf directly are encouraged to do so alongside Al-Intisaf min al-Kashshaf by Ibn al-Munayyir.