Found 108 synonyms in 15 groups
  1. 5
    Meaning: explicit
  1. 6
    Meaning: piercing
  2. 9
    Meaning: ambitious
  3. 10
    Meaning: property
  4. 11
    Meaning: chilly
  5. 13
    Meaning: severe
  6. 15
    Meaning: challenging

Words similar to rigourous

rigourous synonyms - English related words for rigourous