What does mismeasure mean?
Mismeasure means to measure something incorrectly. It can refer literally to faulty measurement, such as using the wrong scale or unit, but it is especially useful when discussing errors in research, statistics, policy, and evaluation. A researcher who chooses an unsuitable indicator may mismeasure the effect of a programme even if the measuring instrument itself is technically reliable. The related noun denotes an incorrect measurement or assessment. In contemporary usage, the word often carries a broader critical implication: the problem is not merely that a number was entered incorrectly, but that the wrong quantity or dimension was examined. Because it sounds more learned than simply “measure incorrectly,” it is especially appropriate in formal and analytical contexts.
To measure a quantity, effect, or feature incorrectly or inaccurately.
"The researchers were accused of mismeasuring demand by relying only on online sales."
Often used figuratively in formal writing about research, statistics, and public policy.
An incorrect measurement or the act of measuring something incorrectly.
"The apparent improvement was largely a mismeasure of seasonal demand."
Less common than the verb and chiefly used in formal analytical contexts.
The plural is used for separate instances of incorrect measurement or assessment.
"The report identified several systematic mismeasures in the survey data."
Sometimes the instrument is accurate, but the thing being measured is the wrong thing altogether.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of mismeasure
Mismeasure combines the prefix “mis-,” meaning wrongly, with the English word “measure.” English “measure” comes through Old French mesure from Latin mensura, a word associated with measuring. The prefixed form has been in English since the early modern period and was used for erroneous measurement before acquiring wider figurative applications.
Related word forms
How mismeasure is actually used
The verb is formal and relatively uncommon. It is often used figuratively for research, policy, or assessment that captures the wrong magnitude or aspect of something.