Definition of apostle
1
: one sent on a mission: such as
a
: one of an authoritative New Testament group sent out to preach the gospel and made up especially of Christ's 12 original disciples and Paul
b
: the first prominent Christian missionary to a region or group
St. Boniface, the Apostle of Germany
2a
: a person who initiates a great moral reform or who first advocates an important belief or system
b
: an ardent supporter : adherent
apostles of high technology
3
: the highest ecclesiastical official in some church organizations
4
: one of a Mormon administrative council of 12 men
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Merriam-Webster unabridged
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Time Traveler for apostle
The first known use of apostle was before the 12th century
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