copper-bottomed

a copper-bottomed plan, agreement, or financial arrangement is completely safe (always before noun) She has a copper-bottomed contract with a very successful company.

Common Names:

Name	Pronounced	Usage
FÁBiÁN	-	Hungarian
Efa	-	Welsh
Delphia	DEL-fee-ə	English
Jeanne	ZHAHN (French), JEEN (English)	French, English
Paxton	PAKS-tən	English (Modern)
Lindsie	LINDZ-ee	English (Rare)