English Reference
Adverb

rigorously

adv.
C1 Advanced US /ˈɹɪɡɝəsɫi/ UK /ɹˈɪɡəɹəsli/ rig·or·ous·ly

adv.to do something in a very careful and strict way. You use this when you want to show that you are following rules or standards very closely.

adv.in a manner that is extremely strict, thorough, or exacting. Often describes the application of rules, the conduct of research, or the enforcement of discipline.


SIMPLE

The scientists tested the new drug rigorously.

CONTEXTUAL

The school follows a rigorous schedule to ensure that all students meet the high standards required for graduation.

COMPLEX

The committee rigorously examined every piece of evidence before reaching a final verdict, leaving no room for speculation or error in the legal process.

Some hope that the natural before-and-after experiment presented by the Australian ban could be an opportunity to test the effects of social media more rigorously.

Smithsonian Magazine· 17 Aug 2026

However, psilocybin has not yet been rigorously shown to be an effective treatment for anorexia in humans.

Smithsonian Magazine· 11 Aug 2026
This entry
Level C1 · Advanced
Frequency Occasional
Updated