What gets sharper and more effective the more you use it against something else?
Your brain
Mental acuity and problem-solving skills improve with practice and learning.
About this riddle
Wordplay riddles depend on how words look and sound. Watch for double meanings, hidden words and letters you can move or remove.
Difficulty: Medium. More like this: Wordplay riddles with answers or try Anagrid for a different kind of puzzle.
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