once again/once more

once again

1. One more time; again. He went over the plan once again, stressing the importance of getting the details exactly right.
2. As has come to be expected. The company has once again proven themselves to know exactly what consumers want in a premium handheld device.
See also: again, once

once more

 and one more time
Please do it one more time. Mary: You sang that line beautifully, Fred. Now, once more. Fred: I'm really tired of all this rehearsing. John (finishing practicing his speech): How was that? Sue: Good! One more time, though. John: I'm getting bored with it.
See also: more, once

once aˈgain/once ˈmore

one more time; another time: Once again the train was late.Let me hear it just once more.
See also: again, more, once

once more

/again
1. Another time; again: Could you repeat yourself once more?
2. As usual; in typical fashion: Once more, you've proven yourself inept at chess.
See also: more, once