The phrase "absolutely rigorous" is correct and usable in written English.
It can be used to describe something that is extremely thorough, strict, or precise, often in academic or technical contexts.
Example: "The research methodology was absolutely rigorous, ensuring the validity of the results."
Alternatives: "thoroughly rigorous" or "completely stringent".
'He's a teacher and absolutely rigorous about standards.
She added, "I will do everything to protect this infant, and I'll be absolutely rigorous.
In his e-mail message, Mr. Ballmer said, "As long as I am C.E.O., Microsoft is going to be a company that is hard-core about diversity, a company that is absolutely rigorous about having a nondiscriminatory environment, and a company that treats every employee fairly".
The stronger reading attributes an absolutely rigorous empiricism to Condillac — one that does not admit that the mind is endowed with any innate abilities.
Though Rodgers seemed every bit the Bay Area free spirit -- hair down to her waist, brightly colored tights and short skirts -- she was absolutely rigorous when it came to her food.
Note that this substitution is absolutely rigorous.
Haskins is absolutely right that rigorous evidence should inform social spending, and we welcome his call that the new Congress "reject efforts by some Republicans to cut the Obama administration's evidence-based programs".
That's why your voice is absolutely essential in demanding that rigorous science, research and the public good are the compass points for navigating what we eat and the care of the planet.
Les Hinton, former chair of News International, told the media select committee he had conducted "a full and rigorous internal inquiry" and was "absolutely convinced" Goodman was the only person who knew about the hacking.
"Achieving PGI status has been a long and rigorous process, but we're absolutely delighted with the outcome and we can't wait until next year's Pembrokeshire Earlies to celebrate in style".
Council leader John Stewart earlier said: "We are absolutely delighted to have chosen Valerie, following a rigorous nationwide recruitment programme.
