Thesaurus.com
Dictionary.com
Definitions

rigorously

[rig-er-uhs-lee] / ˈrɪg ər əs li /


ADVERB
difficultly
Synonyms




ADVERB
strictly
Synonyms


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.

Montblanc’s craftsmen are rigorously trained; for example, learning how to grind a gold nib takes over six months.

From The Wall Street Journal • Apr. 21, 2026

The Cochrane Collaboration, which rigorously and independently analyses medical data, looked at 17 studies, involving 20,342 volunteers, of drugs that remove amyloid from the brain.

From BBC • Apr. 16, 2026

“These markets allow us to rigorously validate our technology’s resilience in diverse and challenging weather conditions,” Zoox wrote in a blog post.

From MarketWatch • Mar. 9, 2026

“We rigorously evaluate frontier AI models, including xAI, through a comprehensive internal review process. In this instance, we followed established procedures and maintain our determination to keep it on schedule,” he said.

From The Wall Street Journal • Feb. 27, 2026

At Beverloo, the boys trained rigorously for five months.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti