资料来源 : pyDict

坚定的;坚决的;不变的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Sted \Sted\, n., Stedfast \Sted"fast\, a., Stedfastly
\Sted"fast*ly\, adv., etc.
   See {Stead}, {Steadfast}, etc.