Quranic root
قسو
q · s · w
Hardness or solidity, extended from a hard physical object to hardness of the heart.
The lexical orientation moves from physical hardness or solidity to the condition of a heart becoming hard or remaining hard-hearted; مُقَاسَاة denotes dealing with or undergoing that condition.
- Mufradāt · row 1180
- 3
- Quran-attested forms
- 4
- Quran senses
- 7
- Quran occurrences
Forms in the Quran
The forms this root actually takes in the Quran. Select one to jump to its senses and examples.
قَسَا
qasā
- Part of speech
- Verb · Form I
- Form
- I
- Quran occurrences
- 3 occurrences
Selected examples are shown with the sense they illustrate — chosen to teach that sense, not the complete list of this form’s Quran occurrences.
To become hard or hardened; of hearts, to become hard-hearted.
Quranic Form I perfect usage describing a change into hardness of heart.
- Mufradāt · row 1180
Selected Quran examples
قَاسٍ
qāsin
- Part of speech
- Active participle
- Quran occurrences
- 3 occurrences
Selected examples are shown with the sense they illustrate — chosen to teach that sense, not the complete list of this form’s Quran occurrences.
Hard-hearted or hardened, characterized by hardness of heart.
Quranic active-participle usage describing hearts as hard or hardened.
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Selected Quran examples
Quran 5:13word 7
“hard”
Quran 22:53word 10
“and (are) hardened”
Quran 39:22word 12
“to (those are) hardened”
Not pure or not genuine, in the reported variant reading قَسِيَّةً.
This variant interpretation is attached to the Quranic passage at 5:13 and is explained by comparison with قَسِيّ, a debased silver coin. It is not a separate canonical QAC form or occurrence.
- Mufradāt · row 1180
Selected Quran examples
Quran 5:13word 7
“hard”
قَسْوَة
qaswah
- Part of speech
- Noun
- Quran occurrences
- 1 occurrence
Selected examples are shown with the sense they illustrate — chosen to teach that sense, not the complete list of this form’s Quran occurrences.
Hardness of heart.
Quranic abstract-noun usage describing the hardened condition of hearts.
- Mufradāt · row 1180
Selected Quran examples
Quran 2:74word 11
“(in) hardness”
Occurrences in the Quran
Every place this root appears, in Quran order. The first few are shown here.
- 2:74قَسَتْhardened
- 2:74قَسْوَةًۭ ۚ(in) hardness
- 5:13قَـٰسِيَةًۭ ۖhard
- 6:43قَسَتْbecame hardened
- 22:53وَٱلْقَاسِيَةِand (are) hardened
Broader Classical Arabic meanings
Recorded for this root in the Classical lexicons beyond its Quran usage. These are secondary to the Quran senses above.
Show 4 Classical meanings
قَاسٍ
Physically hard or solid.
A Classical physical sense, illustrated by a hard stone; distinct from the Quranic description of hearts as hard-hearted.
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مُقَاسَاة
The treatment, undergoing, or grappling with hardness.
A derived noun denoting dealing with the condition of hardness rather than the condition itself.
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قَسِيّ
A debased or adulterated silver coin.
A Classical coin term; it also supplies the comparison used for the reported Quranic interpretation “not pure.”
- Mufradāt · row 1180
قَسَاوَة
Solidity or hardness, including the hardness of debased silver.
A Classical noun for physical hardness or solidity.
- Mufradāt · row 1180
Cautions
Points that affect how this root should be read.
The interpretation “not pure” is associated with the reported variant reading قَسِيَّةً at 5:13, not with an additional canonical QAC occurrence.
No Lane or Maqayis entries were supplied; the root-level and Classical coverage here is therefore based on the supplied Quran-focused lexical discussion.