The definition of left-handed is using the left hand in a better fashion than the right hand, or clumsy.(adjective)
Left-handed is defined as done with the left handed, or moved in a way that an object swings right.(adverb)
An example of left-handed used as an adverb is in the phrase "a left-handed hit," which means a hit where the bat was swung to the right.
See left-handed in Webster's New World College Dictionary
See left-handed in American Heritage Dictionary 4
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