rigorous
Say it: RIG-uh-rus /ˈrɪɡərəs/ · adjective
What “rigorous” means
Very careful, thorough and strict.
More precisely: Extremely thorough, careful and strict.
Example: “The app goes through rigorous testing before every release.”
When to use it
In serious praise of testing, research or training, when the work follows demanding standards and checks details carefully.
Similar words
thorough, meticulous, stringent
Where it comes from
From Latin rigor, "stiffness."
Quick check
Before selling a helmet, engineers repeatedly test its strength under strict conditions and inspect every result. Their testing is…
rigorous or routine?
Show the answer
rigorous
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