A short guide to hadith gradings
Sahih, hasan, da'if — what the labels mean, why scholars disagree about them, and what to do when you see one.
You'll often see a hadith followed by a label: sahih, hasan, da'if. Those words carry a lot of weight, and they're worth understanding.
The main grades
Sahih (authentic). An unbroken chain of narrators, each reliable and precise, with no hidden defect or irregularity. The highest grade.
Hasan (good). Meets the same conditions, but at least one narrator falls slightly short on precision. Still usable as evidence.
Da'if (weak). A break in the chain, or a narrator with a problem. Scholars differ on whether weak hadith may be used at all — many permit it for encouraging virtue, but not for establishing rulings.
Mawdu' (fabricated). Invented. Not to be narrated except to warn against it.
Why scholars disagree
Grading is a judgement about people, and reasonable experts assess the same narrator differently. Al-Albani and Shu'ayb al-Arna'ut, both serious scholars, reach different verdicts on the same hadith fairly often.
So "is this hadith sahih?" sometimes has the honest answer: "according to whom?"
What to do practically
- Note who graded it, not just the grade.
- Check whether the hadith is corroborated elsewhere — a weak chain matters less when the meaning is well established.
- Be cautious about building a practice on a single weak narration.
Where to look
Sunnah.com carries gradings for the major collections. For anything you intend to act on, ask someone qualified rather than relying on a search result — including this one.