Definition of copper-bottomed in English:

copper-bottomed

adjective

British
  • Thoroughly reliable; certain not to fail:

    ‘a copper-bottomed guarantee’
    • ‘Clearly, she says, ‘the friend must be one whose discretion is copper-bottomed and one who preferably knows and is fond of your husband too.’’
    • ‘Little wonder then that despite the price war, S&P continues to award copper-bottomed ratings to the nation's retail champions.’
    • ‘As things turn out, we never do get a copper-bottomed answer to this mystery.’
    • ‘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.’
    • ‘That's a 100% copper-bottomed pure common sense policy, and Labour are boasting they're against it?’
    • ‘He fuelled concern by stating that he could not offer copper-bottomed guarantees that there would not be further losses.’
    • ‘Musicology is, approximately, Prince's twenty-third album and a copper-bottomed, no-caveats return to form.’
    • ‘He misses a copper-bottomed chance.’
    • ‘Their last service to these titles would be to ensure that the next owners are locked into a copper-bottomed commitment to maintain editorial independence.’
    • ‘This was insufficient to stand up in court, as fingerprint experts need to find 16 such matches for it to be deemed copper-bottomed evidence.’
    • ‘The real, gold-plated, copper-bottomed Brian Charles Lara was there to entertain us once more.’
    • ‘I'm genuinely interested in finding properly-detailed copper-bottomed examples of this stuff working unequivocally.’
    • ‘He negotiates her copper-bottomed contracts that prevent papers altering her copy beyond a sub-editor's ‘lift and dust’.’
    • ‘This was a copper-bottomed New Labour promise, which is presumably why it has not happened.’
    • ‘Horatio Nelson was a flawed, fallible man; he was also a copper-bottomed, full-rigged, 104-gun hero.’
    • ‘Anyone carrying a cricket coffin - and a lot who don't - will need to make sure all the documentation is copper-bottomed and provide written proof that they have a proper job away from the cricket club.’
    • ‘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’.’
    reliable, trustworthy, honourable, true, faithful, loyal, constant, unswerving, unwavering, unfailing, sure, steadfast, steady, stable, trusty
    View synonyms

Pronunciation

copper-bottomed