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groundbreaker

[ ground-brey-ker ]
/ ˈgraʊndˌbreɪ kər /
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noun
a person who is an originator, innovator, or pioneer in a particular activity.
an original idea, product, or the like that leads to or makes possible further developments, growth, improvements, etc.
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Origin of groundbreaker

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use groundbreaker in a sentence

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