What is the definition of aborious?

"Aborious" is not a standard English word. It is likely a misspelling of "arduous", which means:

* Extremely difficult, requiring great effort and determination.

For example:

* "The climb to the summit was an arduous journey."

* "She faced an arduous task in trying to rebuild her life after the accident."

If you meant to use a different word, please clarify your question.