Synonyms of rigorous


1. rigorous, strict, exact (vs. inexact)

usage: rigidly accurate; allowing no deviation from a standard; "rigorous application of the law"; "a strict vegetarian"

2. rigorous, stringent, tight, demanding (vs. undemanding)

usage: demanding strict attention to rules and procedures; "rigorous discipline"; "tight security"; "stringent safety measures"

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Definition and meaning of rigorous (Dictionary)