How do you spell Rigorous?
Correct spelling
rigorous
Remember RIGOR + OUS: the stiff Latin root needs no extra letters
Why is rigorous spelled this way?
From Latin rigorosus, stiff. RIGOR (stiffness). Something rigorous is stiff with standards — thoroughness that bends for nothing.
Common misspellings of rigorous
rigerousrigourusrigourous
Example
The scientist followed rigorous protocols to ensure accurate results.