rigorous

adj 1: rigidly accurate; allowing no deviation from a standard;

"rigorous application of the law"; "a strict

vegetarian" [syn: {strict}]

2: demanding strict attention to rules and procedures;

"rigorous discipline"; "tight security"; "stringent safety

measures" [syn: {stringent}, {tight}]

3: (of circumstances; especially weather) causing suffering;

"brutal weather"; "northern winters can be cruel"; "a

cruel world"; "a harsh climate; "a rigorous climate";

"unkind winters" [syn: {brutal}, {cruel}, {harsh}, {unkind}]