Want to say rigorous differently? Here are other words for rigorous and its similar synonyms and opposite words to say in unique way.
Meaning of rigorous
The primary meaning of the word "rigorous" is having or showing a serious and earnest quality, being thorough and exhaustive in detail or effort.
Etymology of rigorous
The word "rigorous" comes from the Latin word "rigor," meaning stiffness or harshness, and the suffix "-ous," which forms an adjective indicating a quality or state
   Historically, the word has been used to describe something that is severe, strict, or unyielding, and has evolved to encompass a range of meanings related to thoroughness and exhaustiveness
Synonyms
                                                stringent
                                                                        strict
                                                                        severe
                                                                        demanding
                                                                        tough
                                                                        exacting
                                                                        meticulous
                                                                        scrupulous
                                                                        thorough
                                                                        exhaustive
                                                                        comprehensive
                                                                        detailed
                                                                        precise
                                                                        accurate
                                                                        careful
                                                                        diligent
                                                                        conscientious
                                                                        methodical
                                                                        systematic
                                                                        painstaking
                                                                        fastidious
                                                                        perfectionistic
                                                                        uncompromising
                                                                        unyielding
                                                                        inflexible
                                                                        rigid
                                                                        austere
                                                                        stern
                                                                        harsh
                                                                        unrelenting
                                                                        merciless
                                                                        pitiless
                                                                        brutal
                                                                        relentless
                                                                        uncompromising
                                                                        exact
                                                                        demanding
                                                                        strenuous
                                                                        laborious
                                                                        toilsome
                                                                        arduous
                                                                        grueling
                                                                        punishing
                                                                        backbreaking
                                                            
            Definitions
- Having or showing a serious and earnest quality
- * Thorough and exhaustive in detail or effort
- * (of a process or system) carefully and systematically carried out
Usage Examples
- The new policy requires a rigorous review process to ensure compliance with regulations
- * The professor is known for her rigorous teaching style, which pushes students to think critically
- * The athlete underwent a rigorous training program to prepare for the competition