(as) true as steel

(as) true as steel

1. Unwaveringly loyal, dependable, and trustworthy; having unquestionable moral principles. The financial accounts are in good hands with Mr. Thompson, here—he's the best in the industry, and as true as steel. She's the one person in the whole operation I'd consider true as steel, the only one I'd put such faith in.
2. Absolutely correct; not untrue in the slightest. They say that actions speak louder than words, and that's as true as steel when it comes to politics. A: "Is what he said correct, Tom?" B: "Yep—true as steel."
See also: steel, true
Farlex Dictionary of Idioms.

*true as steel

very loyal and dependable. (*Also: as ~.) Through all my troubles, my husband has been as true as steel. Pedro was a staunch friend, true as steel.
See also: steel, true
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • true as steel
  • rats desert a sinking ship
  • rats leave a sinking ship
  • rats abandon a sinking ship
  • be in safe hands
  • a safe pair of hands
  • safe pair of hands
  • in safe hands
  • a good egg
  • good egg, a