knight in shining armor

• knight in shining armour (Commonwealth spelling)

• (Received Pronunciation) IPA^(key): /ˈnaɪt ɪn ˈʃaɪ.nɪŋ ˈɑː.mə/
• (General American) IPA^(key): /ˈnaɪt ɪn ˈʃaɪ.nɪŋ ˈɑr.mər/

• Audio (General Australian):

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knight in shining armor (plural knights in shining armor) (American spelling)

1. (idiomatic) A person who will fix a dangerous situation; a hero.

   Synonyms: knight-errant; see also Thesaurus:hero

   Antonyms: see Thesaurus:villain

   We must work this out on our own and not wait for a knight in shining armor, who may never come.

   • 2011, Judith Duncan, If Wishes Were Horses...:

     How could she have ever considered leaving him? Her rock, her anchor, her knight in shining armor.

   • 2014, Rene Gutteridge, Old Fashioned, page 42:

     "Fine, so I'm no knight in shining armor," the host continued as she reached for the dial. "There are no knights in shining armor." Amber let her hand drop.