so-so

(s) being neither good nor bad
- an indifferent performance
- a gifted painter but an indifferent actor
- her work at the office is passable
- a so-so golfer
- feeling only so-so
- prepared a tolerable dinner
- a tolerable working knowledge of French
indifferent,
(r) in an acceptable (but not outstanding) manner
- she plays tennis tolerably
acceptably, tolerably,

indifferent acceptably tolerably

intolerably unacceptably