- ballgame, new ballgame - a particular situation that is radically different from the the preceding situation; "HDTV looks the same but it's really a whole new ballgame"
--1 is a kind of situation, state of affairs
- ball game, ballgame - a field game played with a ball (especially baseball)
--2 is a kind of field game
--2 has particulars: baseball, baseball game, ball