Share this entry
copper-bottomed Line breaks: copper-bottomed

Entry from British & World English dictionary

Definition of copper-bottomed in English:


Thoroughly reliable; certain not to fail: a copper-bottomed guarantee
[From earlier usage referring to the copper sheathing of the bottom of a ship]
More example sentences
  • Mr Brown failed to give a copper-bottomed assurance that Tony Blair would lead the party into the next election, saying only that it was ‘a matter for him’.
  • He can keep quiet and hope Tony will repay loyalty on this occasion - but that has not proved a copper-bottomed guarantee on any issue in the past.
  • He fuelled concern by stating that he could not offer copper-bottomed guarantees that there would not be further losses.
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources