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
Kazimieras	-	Lithuanian
Dunstan	DUN-stən (English)	English (Rare), Anglo-Saxon
Esben	-	Danish, Norwegian
EibhlÍN	ie-LEEN, IE-leen, EV-leen, EV-e-leen, AYV-leen	Irish
Phuntso	-	Bhutanese
Brewster	['bru:stə]