1. A thorough, systematic, and precise examination or investigation of something, adhering strictly to high standards of accuracy and logical reasoning
The study underwent rigorous analysis before publication in the academic journal.
O estudo passou por uma análise rigorosa antes da publicação na revista acadêmica.
2. In mathematics and science, a detailed examination that follows strict logical principles and leaves no room for ambiguity or error
A rigorous analysis of the data revealed inconsistencies in the previous findings.
Uma análise rigorosa dos dados revelou inconsistências nos achados anteriores.