Backbreaker antonyms

What is the opposite word for Backbreaker?

• trivial

  challenging, hard to do
• inexact

  challenging
• tolerant

  challenging
• facile

  challenging, hard to do
• uncertain

  challenging
• unimportant
• easy

  hard to do
• flexible
• nice

  hard to do
• yielding
• mild
• simple

  hard to do
• helpful
• effortless
• undemanding
• unchallenging
• manageable
• uncomplicated
• friendly
• sociable
• 

  calm
• free
• plain
• straightforward
• entertainment

  hard work, hard
• fun

  hard work, hard
• snap

  hard
• pastime

  hard work
• recreation

  hard work