Definition of allegiance
1a
: the obligation of a feudal vassal to his liege lord
b(1)
: the fidelity owed by a subject or citizen to a sovereign or government
I pledge allegiance to my country.
(2)
: the obligation of an alien to the government under which the alien resides
2
: devotion or loyalty to a person, group, or cause
allegiance to a political party
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Merriam-Webster unabridged
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Time Traveler for allegiance
The first known use of allegiance was in the 15th century
See more words from the same century