good as gold, as

Idioms  

1. Completely genuine; also, well behaved. For example, Her credit is as good as gold, or The children were good as gold. With this alliterative idiom the initial as is sometimes dropped, and nearly always so when behavior is referred to. [Late 1600s]

---

Example Sentences

As good as gold, as true as steel, warm-hearted and large-natured, active, capable, and of a sunny humour, she kept her place in the hearts of all who knew her.

From The Long Roll by Johnston, Mary

She is good of course, good as gold, as Eugenie Grandet herself; and the novelist has been kind enough to allow her to be happier.

From Lost Illusions by Marriage, Ellen

If the men of his world are supporting him then he's as good as gold, as fine as you like.

From The Duchess of Wrexe Her Decline and Death; A Romantic Commentary by Walpole, Hugh, Sir

Berna! my Berna! she was as good as gold, as true as steel.

From The Trail of '98 A Northland Romance by Service, Robert W. (Robert William)

He is a fine fellow; as good as gold; as true as steel.

From A Woman-Hater by Reade, Charles