Rigorous Definition & Meaning | Britannica Dictionary (original) (raw)

rigorous

/ˈrɪgərəs/

adjective

Britannica Dictionary definition of RIGOROUS

[more rigorous; most rigorous]

1

:

very strict and demanding

2

:

done carefully and with a lot of attention to detail

3

:

difficult to endure because of extreme conditions

— rigorousness

noun

[noncount]