Definition of consistent
1a
: marked by harmony, regularity, or steady continuity : free from variation or contradiction
a consistent style in painting
b
: marked by agreement : compatible
—usually used with with statements not consistent with the truth
c
: showing steady conformity to character, profession, belief, or custom
a consistent patriot
2
: tending to be arbitrarily close to the true value of the parameter estimated as the sample becomes large
a consistent statistical estimator
3
archaic
: possessing firmness or coherence
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Merriam-Webster unabridged
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Time Traveler for consistent
The first known use of consistent was in 1638
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