unarduous
/ʌnɑːrˈdjus/ or /ˌʌnɑrˈduːəs/Definitions
1. adjective
Not requiring or involving effort; easy or effortless.
“The unarduous hike through the park made it a perfect day for families to visit.”
2. noun
A lack of ardor or enthusiasm; apathy.
“The team’s unarduous performance in the final match disappointed their fans.”