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as in:  a rigorous math class

I found it an interesting, but rigorous class.
  difficult and demanding
 Mark word for later review on this computer
rigorous rigor rigorously rigors rigour rigours rigorousness
This sense of rigorous is also often seen as "the rigors of..."

All the senses of rigor or rigorous relate to rigidity and/or difficulty.
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  • I found it an interesting, but rigorous class.
  • rigorous discipline
  • a rigorous winter
  • Immediately after collection, Maycomb Methodists sang what they called the Doxology in lieu of the minister praying over the collection plate to spare him the rigors involved in inventing yet another prayer, since by that time he had uttered three healthy invocations.
    Harper Lee  --  Go Set a Watchman

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  • Also, countless children who passed initial screenings but who later failed to meet more rigorous racial tests were exterminated—some at Auschwitz.
    William Styron  --  Sophie’s Choice
  • ...undergone the rigorous training required of a Receiver.
    Lois Lowry  --  The Giver
  • His rigorous course
    William Shakespeare  --  The Merchant of Venice
  • ...the moose appeared in greater abundance, moving slowly down to meet the winter in the lower and less rigorous valleys.
    Jack London  --  The Call of the Wild
  • from a rigorous life outdoors on a work farm
    Ken Kesey  --  One Flew Over the Cuckoo’s Nest
  • He read rigorously for several days, caught a few small errors, and penciled in supporting facts, especially about his evolved musical tastes.
    Ron Suskind  --  A Hope in the Unseen

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  • They would be tough, hardy bugs, able to withstand the rigors of space, and they would grow and duplicate and divide.
    Michael Crichton  --  The Andromeda Strain
  • But Perkins Day is more rigorous, academically, than you’re used to.
    Sarah Dessen  --  Lock and Key
  • After the rigors of last night a bit of sleep might have been in order.
    Kenneth Oppel  --  Airborn
  • To hear him tell it, they were marble-lined palaces, an escape from the rigors of the newsroom.
    Rick Bragg  --  All Over but the Shoutin’
  • ...she would have no idea of the rigors of running a hospital in Africa.
    Gloria Whelan  --  Listening for Lions
  • the rigour of our state
    William Shakespeare  --  King Lear
  • ...he arrests him on it;
    And follows close the rigour of the statute
    To make him an example; ...
    William Shakespeare  --  Measure for Measure
  • The laps were an attachment to rigorous work, the interval that completes the octave.
    Don DeLillo  --  Underworld
  • It was smaller and more academically rigorous,
    Sarah Dessen  --  Along for the Ride
  • And the Egyptians made the children of Israel to serve with rigour: (1:13)
    The Bible  --  Exodus
  • As if, at every meal, the cadets fill their tin cups not with the cold mineralized water of Schulpforta but with a spirit that leaves them glazed and dazzled, as if they ward off a vast and inevitable tidal wave of anguish only by staying forever drunk on rigor and exercise and gleaming boot leather.
    Anthony Doerr  --  All the Light We Cannot See
  • As he went out into the rigorous night, I saw the lonely figure flit away before us.
    Dickens, Charles  --  David Copperfield
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Associated words [difficulty]:   rigorous [3] , rigor mortis [8]
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Most commonly used in these subjects:   Engineering, Personal Finance, Logic & Reasoning
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