New ballgame and New ball-game

New ballgame noun - A particular situation that is radically different from the preceding situation.

New ball-game and new ballgame are semantically related. in major change topic. In some cases you can use "New ball-game" instead a noun phrase "New ballgame".

New ballgame and new ball-game are semantically related. Sometimes you can replace phrase "New ballgame" with "New ball-game", this phrases are similar.