loy·al /ˈlɔɪ(ə)l/
  (a.)忠誠的,忠實的,忠貞的
  Loy·al a.
  1. Faithful to law; upholding the lawful authority; faithful and true to the lawful government; faithful to the prince or sovereign to whom one is subject; unswerving in allegiance.
  Welcome, sir John ! But why come you in arms ? --
   To help King Edward in his time of storm,
  As every loyal subject ought to do.   --Shak.
  2. True to any person or persons to whom one owes fidelity, especially as a wife to her husband, lovers to each other, and friend to friend; constant; faithful to a cause or a principle.
     Your true and loyal wife.   --Shak.
     Unhappy both, but loyaltheir loves.   --Dryden.
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  loyal
       adj 1: steadfast in allegiance or duty; "loyal subjects"; "loyal
              friends stood by him" [ant: disloyal]
       2: inspired by love for your country [syn: patriotic] [ant: unpatriotic]
       3: unwavering in devotion to friend or vow or cause; "a firm
          ally"; "loyal supporters"; "the true-hearted soldier...of
          Tippecanoe"- Campaign song for William Henry Harrison;
          "fast friends" [syn: firm, truehearted, fast(a)]