The phrase "onerous regulations" refers to rules that are burdensome, difficult, or demanding. It means that the regulations impose a lot of work, costs, or restrictions upon people or businesses. Full definition
The Rules of Professional Conduct, which govern the legal profession in Ontario, already prohibit advertising that is likely to mislead or confuse the public, and the rules governing advertising were amended just this past February to add even more onerous regulations. (ruleoflaw.ca)
If a state or federal government imposes overly onerous regulations or adopts policies that drive up energy costs, the effects will soon be felt throughout the entire economy. (alec.org)
Financials may also benefit from less onerous regulations once the Trump administration comes to power. (etf.com)