Found 108 synonyms in 15 groups
  1. 2
    Meaning: austere
  2. 3
    Meaning: demanding
  3. 5
    Meaning: explicit
  1. 6
    Meaning: piercing
  2. 7
    Meaning: puritanical
  3. 9
    Meaning: ambitious
  4. 10
    Meaning: property
  5. 11
    Meaning: chilly
  6. 12
    Meaning: characteristic
  7. 13
    Meaning: severe
  8. 14
    Meaning: behaviour
  9. 15
    Meaning: challenging

Words similar to rigourous

rigourous synonyms - English related words for rigourous