not all that good, well, etc.

not (all) that good/bad/well/poor/etc.

Not especially or particularly of a certain quality, especially compared to what one expected or hoped. The movie wasn't all that bad—you were making it out to be the worst thing in the world! I'm sorry to say this meal is not that good.See also: bad, good, not, poor, that, well

not all that ˈgood, ˈwell, etc.

not particularly good, well, etc: He doesn’t sing all that well.See also: all, not, that