a.
1.
Constant, steady, firm, determined, resolute, steadfast, stanch.
2.
Stubborn, obstinate, dogged, wilful, mulish, unyielding, intractable, headstrong, perverse, wayward, inflexible.
a.
1.
Constant, steady, firm, determined, resolute, steadfast, stanch.
2.
Stubborn, obstinate, dogged, wilful, mulish, unyielding, intractable, headstrong, perverse, wayward, inflexible.
Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012