Scrabble & Words with friends points
- arduousness is a valid Scrabble US word with a point value of 12
- arduousness is a valid Scrabble UK word with a point value of 12
- arduousness is a valid Words with friends word with a point value of 15
Definition of arduousness
- extreme effortfulness (noun)
Synonyms
- strenuousness
See definition of arduousness in Merriam Webster