Main Entry:

rig·or·ous

Pronunciation:

\ˈri-g(ə-)rəs\

Function:

adjective

Date:

15th century

1: manifesting, exercising, or favoring rigor : very strict2 a: marked by extremes of temperature or climate b: harsh, severe3: scrupulously accurate : precise

synonyms see rigid

— rig·or·ous·ly adverb

— rig·or·ous·ness noun