Is strenuousness a word?

Related questions

1. Are you fluent in English?
2. What is the synonym of boundary?
3. What is the difference between fastest and quickest?
4. What is an example of an automatic process?
5. Can you have two native languages?
6. Is effortful a word?
7. What is the synonym of difficulty?
8. What is the synonym of fast?
9. What is the difference between effortful and automatic processing?
10. Is fluently an adverb?

Tags

1. #vigorous
2. #laborious
3. #energetic
4. #strenuous
5. #requiring
6. #zealously
7. #person
8. #think
9. #deeply
10. #intellect
11. #active
12. #demanding
13. #exertion