Functioning particularly effectively; achieving something substantial.
With the updated software, I was really cooking with gas. I got the project done in half the time.
Used other than figuratively or idiomatically: see cook, with, gas.
tolerably; passably; moderately.
Capable of being borne, tolerated or endured; bearable or endurable.
Moderate in degree; mediocre; passable, acceptable or so-so.
Such as to be tolerated or countenanced; permissible; allowable.
In fair health; passably well.