I guess you must have met these words several time:
dirty, clean
body , soul
salt, sugar
bad, good
birth, death
desperate, hopeful
...
Did you recognize any thing special from these, they're just like any other words. ... They are opposite in meaning. In English there are so many words that have the opposite meaning. Let's discover more about them by playing this game.
It's absolutely free and challenging.

Feel free to play and share with your friends.