Definition of competitor
: one that competes: such as
a
: rival
a fierce competitor on the soccer field
b
: one selling or buying goods or services in the same market as another
offering lower prices than our competitors
c
: an organism that lives in competition with another
The squid population increased dramatically when food competitors were depleted by heavy overfishing.
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Merriam-Webster unabridged
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Time Traveler for competitor
The first known use of competitor was in 1534
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