Top definition
Someone/something that brings about change easily through quatities of themselves.
Stephany's speech was so catalystic. It really got me thinking.
by Slate.scl July 29, 2016
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2
A kind of personality that speeds up the process of whatever is happening around him/her
his presents is catalystic; everything just happens so much faster when his around.
by cuda24 August 18, 2016
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