Rigorous - possessing or exhibiting a particular feature into a heightened degree; "rigorous heat"; "extreme nervousness"; "intense desire"; "intensive emotion"; "the skunk's intense acrid odor"; "extreme agony"; "enemy fireplace was powerful" colloquialism - a colloquial expression; attribute of spoken or published conversation that seeks to imitate informal speech العجز المهني https://frankb087erd0.sasugawiki.com/user