Catalyst
mediumKAT-uh-list
noun
Definition
A person or thing that precipitates an event or change
Examples
“The economic crisis was the catalyst for political reform.”
“Her encouragement served as a catalyst for his decision to return to school.”
Synonyms
Antonyms
Categories
GRE Tip
Catalyst is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "stimulus" or "trigger" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "deterrent".
Related GRE Words
momentum
The impetus gained by a moving object; the strength or force that allows something to continue or grow
galvanize
To shock or excite someone into taking action
abate
To reduce in amount, degree, or intensity
exacerbate
To make a problem, bad situation, or negative feeling worse
impetus
The force or energy with which a body moves; a driving force
fluctuate
To rise and fall irregularly in number or amount
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