more rigorous

ADJECTIVE

severe; exact

Synonyms

STRONGEST

accurate brutal burdensome correct exacting harsh meticulous onerous precise proper rigid scrupulous strict stringent uncompromising

WEAK

ascetic austere bitter definite dogmatic hard inclement inflexible intemperate ironhanded nice oppressive punctilious right rugged stern stiff unpermissive

Antonyms

STRONGEST

careless easy false flexible gentle imprecise improper inaccurate incorrect inexact kind lenient negligent questionable soft tolerant unsuitable wrong yielding

WEAK

easy-going lax loose mild

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

We won’t know if the carnivore diet can help someone quickly lose visceral fat until more rigorous research becomes available.

From MarketWatch • May 19, 2026

Economic security and national security must go hand in hand and investment analysis must be more rigorous, now more than ever.

From Barron's • Apr. 22, 2026

Transposed into book form, that approach doesn’t become more rigorous.

From Salon • Apr. 18, 2026

The justices sent the case back to the lower courts with instructions to apply more rigorous scrutiny to the law.

From The Wall Street Journal • Mar. 31, 2026

Perform an energetic rhythm on a drum to engage children to move or prepare for a more rigorous physical transition.

From "Music and the Child" by Natalie Sarrazin