C1
rigorous vs vigorous
The difference
| Word | Meaning | Goes with | Example |
|---|---|---|---|
| rigorousadjective/ˈrɪɡ.ər.əs/ | Meaning very careful, thorough and exact; also strict and demanding | Goes with rigorous analysis | Example The new drug must pass rigorous testing before doctors can prescribe it. |
| vigorousadjective/ˈvɪɡ.ər.əs/ | Meaning using a lot of energy and strength; also strong and determined | Goes with vigorous exercise | Example Adults should do at least 75 minutes of vigorous exercise each week. |
Which word fits?
1 of 8Pick the word for the gap. Its form may change in the sentence.
The survey was popular but not scientifically .