rigor
rigour
noun ree-GOHR Less Common
Origin: From Latin rigor (stiffness, severity).
Also means
strictness
Usage Note
Rigor means precision, strictness, or exactness, especially in intellectual or scientific contexts (rigor científico, scientific rigour). The phrase en rigor means 'strictly speaking' or 'in fact', and con todo rigor emphasises thoroughness. The adjective is riguroso.
Examples
"La investigación fue realizada con gran rigor."
Natural Translation
The investigation was carried out with great rigour.

Free starter pack
Building your Spanish vocabulary?
Get the 100 most common Spanish words as a free PDF — one email, no spam.
Related Words
Explore Spanish by topic
SpanishNow
6 min read