Synonyms of rigorous
4 similar words · 3 opposite words
Another word for rigorous is strict. Other synonyms of rigorous are harsh, scrupulous and painstaking. The opposite of rigorous is capricious.
Synonyms and similar words for rigorous
adjectiveSevere; intense.
- harshSevere or cruel.
adjectiveMore synonyms
- painstakingCarefully attentive to details; studious; diligent in performing a process or procedure.
- scrupulousExactly and carefully conducted.
- strictExact; accurate; precise; rigorously particular.
Opposite of rigorous
adjectiveAntonym(s) of “severe, intense”.
- arbitrary
- capriciousImpulsive and unpredictable; determined by chance, impulse, or whim.
- whimsicalGiven to whimsy.
Meaning of rigorous
- adjective Showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.
- adjective Severe; intense.
rigorous in other languages
Questions about synonyms of rigorous
- What is another word for rigorous?
- Rigorous has 4 synonyms on Word.ws, such as strict, harsh, scrupulous and painstaking.
- What is the opposite of rigorous?
- The opposite of rigorous is capricious. Other antonyms of rigorous are whimsical.
- What does rigorous mean?
- Rigorous means showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.
Source and license
Adapted from Wiktionary: rigorous (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.
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Cite this page: “Synonyms of rigorous.” Word.ws, https://word.ws/synonyms/rigorous. Based on Wiktionary, CC BY-SA 4.0.