Definition of of a lifetime in US English:

of a lifetime

phrase

  • (of a chance or experience) such as does not occur more than once in a person's life.

    ‘because of Frankie she had rejected the opportunity of a lifetime’
    • ‘Two Mayo people had what can only be described as the most emotional experience of a lifetime.’
    • ‘It was an opportunity of a lifetime and I was really pleased to have the chance to meet him.’
    • ‘At once terrifying and thrilling, many would consider a parachute jump to be the experience of a lifetime.’
    • ‘Add the famous French cheese and wine to the platter and one can experience the meal of a lifetime.’
    • ‘Patrons will have the opportunity to win a holiday of a lifetime for two people in Cuba.’
    • ‘This is the chance of a lifetime and sentiment cannot get in the way.’
    • ‘It is a dilemma which is denying promising competitors the chance of a lifetime, and has even divided families.’
    • ‘I wanted to go on the adventure of a lifetime and remember this experience.’
    • ‘Budding young thespians auditioned for the chance of a trip of a lifetime to Italy.’
    • ‘You will have the experience of a lifetime and we will make you and yours more than welcome on your return.’