The definition of allegiance means giving a promise to be loyal, or the action of actually being loyal and on someone's side.
The condition or quality of being constant; changelessness.
Fidelity is defined as being loyal or faithful, or an accurate copy.
Quality, state, or instance of being loyal
A binding contract, promise, moral responsibility, etc.
An oath of such loyalty
Find another word for steadfastness. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for steadfastness, like: allegiance, faithfulness, constancy, fidelity, loyalty, continue, obligation, staunchness, unselfishness, fortitude and magnanimity.