Taʿdīl is positive critical assessment of a transmitter’s uprightness and accuracy; jarḥ is a relevant negative assessment. Strong expressions such as “thiqah thabt” or “thiqah thiqah,” more moderate expressions such as “ṣadūq,” and weaker praise do not carry equal weight. Similarly, “matrūk” is much more severe than a minor concern about retention.
“AL-JARḤ MUQADDAM ʿALĀ AL-TAʿDĪL”
“Criticism is given precedence over authentication.”
This is not an unconditional rule that any unexplained negative remark defeats all positive assessments. The critic’s competence, stated grounds, specificity, possible bias, quality of evidence and actual history of the narrator must be weighed. A concrete flaw unknown to another critic can matter; vague disapproval may not settle the question.
The outcome may be justified preference, further inquiry, or temporary suspension. The aim is to evaluate uprightness and precision for transmission, not to make unsupported personal judgments.