• Such a culture, based on the most rigorous rules of court etiquette and procedure, naturally gave rise to correspondingly formalised aesthetic theories of music and the theatre.
• Over the past year, 180 solutions has attempted to clean up its image and now enforces rigorous rules on its affiliates and has added safeguards into its software.
• Any bottle of champagne has to follow a very rigorous set of rules to qualify for the ‘champagne’ label.

• When there's four of us, we are very rigorous in what we allow through.
• He is rigorous in his methods: if a picture needs a caption to explain it, he believes it has failed.
• The rigorous self-discipline of the Presbyterian work ethic, however, did not grip the Kane household.

• Charter schools, higher standards, rigorous demands on teachers, and smaller class size, he writes, are all diversions, aimed at keeping us from striking at the real heart of the problem.
• University is difficult enough with rigorous course work, steep fees and social demands, but try to imagine attending while severely disabled.
• The challenge then became to be physically competent enough to cope with the rigorous demands of filming, and to cut a suitably believable action hero.

Synonyms