Definition of sixty in US English:


cardinal number

  • 1The number equivalent to the product of six and ten; ten more than fifty; 60.

    ‘a crew of sixty’
    ‘sixty bedrooms’
    ‘sixty percent of the children’
    • ‘How many children have failed Grade 10 during the last five years - forty, fifty, sixty, seventy thousand?’
    • ‘The National Institutes of Health report that fifty to sixty percent of women consume less than half of the recommended amount of calcium.’
    • ‘At MIT we have students from fifty or sixty different foreign countries.’
    • ‘The white guy was closer to sixty than to fifty, and his shaggy white-blond hair was shot with grey, and he'd given up trying to hide the bald spot on top.’
    • ‘Composers, musicians, artists and performers will converge on the city for a two week festival spanning fifty to sixty venues throughout the city.’
    • ‘Some of them have been going to concerts for fifty or sixty years.’
    • ‘Ask your grandparents about morals and values fifty or sixty years ago.’
    • ‘A party of fifty to sixty men, women and children would take part in the harvesting, which was done in the early morning and late evening, to avoid the pollen being blown away.’
    • ‘Editor's Note: It is said that only about sixty percent of people with severe eating disorders ever really recover.’
    • ‘It could be fifty or sixty years from now when we both pass away.’
    • ‘Between fifty and sixty local children attended the camp throughout the month.’
    • ‘Every evening about fifty or sixty women step out of the shadows to receive a free meal of hot soup, fruit and bread in polite silence.’
    1. 1.1sixties The numbers from sixty to sixty-nine, especially the years of a century or of a person's life.
      ‘Morris was in his early sixties’
      ‘the flower children of the sixties’
      • ‘In the fifties, sixties and early seventies John was an integral part of the art scene in his native Cork.’
      • ‘The play begins with a dialog between a man in his early sixties and his adult son named Bernard.’
      • ‘I can only imagine the difficulty of a middle-aged woman getting a divorce in the fifties or sixties.’
      • ‘I don't have a favourite band now, but in the sixties I really liked Country Joe and the Fish.’
      • ‘There was a breakfast morning, a sixties day for everybody in the school and some Easter egg raffles.’
      • ‘Tom, a very strong man in his sixties had been ill for quite some time and bore his illness with courage and fortitude.’
      • ‘In the early sixties a divorce could still shake a little town like a minor earthquake.’
      • ‘Women in their fifties and sixties know who they are and understand their own value.’
      • ‘Back in the fifties and sixties I produced a mass of work, most of which seems to have disappeared.’
      • ‘My great aunts worked all through the fifties and sixties, on the farm or teaching school.’
      • ‘James, a quiet, unassuming man, was in his late sixties and had spent all his working life in England.’
      • ‘Politically the sixties generation came to maturity in the eighties.’
      • ‘White hairs and a few wrinkles painted a portrait of a man in his sixties, perhaps late sixties.’
      • ‘Men don't see a significant decline in testosterone until they reach their late fifties or sixties.’
      • ‘He said Culleens school was built in the sixties and badly needed an extension and other improvements.’
      • ‘In the sixties, probably even in the seventies, such an argument would have been unthinkable.’
      • ‘Robinson is now in her sixties, three times the age of many television presenters.’
      • ‘It must have been tough being an Irish kid growing up in the fifties and sixties with no father.’
      • ‘In the sixties and seventies, weddings were held early in the day and were finished by 7pm.’
      • ‘Twiggy is one of a growing group of older women determined to look stunning well into their fifties and sixties.’
    2. 1.2 Sixty miles an hour.
      ‘they were doing sixty’
      • ‘In less then four seconds they were going sixty miles and hour!’
      • ‘Traveling at sixty miles an hour, I tried to stop and succeeded in not rear-ending the car.’
      • ‘Calla unfortunately had to drive sixty miles to the nearest library, which was in Buto.’
      • ‘Driving sixty miles per hour, the telephone poles are closer together - it's only when you're walking that you recognize how far apart they are.’
      • ‘Jane hit the brakes, and we slowed to sixty miles per hour.’
      • ‘You never know who's going to be driving at sixty miles an hour and not brake in time.’
      • ‘25 years ago Gales gusting from thirty to sixty miles per hour left a trail of damage in York for the second time in a week.’
      • ‘It's hot and the only form of air-conditioning in the car is travelling at sixty kilometres per hour with the windows rolled all the way down.’
      • ‘Sighing in relief she headed toward the turnpike and eased her Eclipse into a comfortable sixty miles per hour.’
    3. 1.3 Sixty years old.
      ‘he retired at sixty’
      • ‘From the age of sixty onwards, grandfather lost interest in most things that were not related to bee-keeping and the planting of trees.’
      • ‘Most Italians may now not retire before the age of sixty; fifty-seven has been the norm, and many did so earlier.’
      • ‘It is rare for someone to be given this diagnosis so young as it usually affects individuals between forty and sixty years of age.’
      • ‘His accounting career had spanned more than sixty years when he retired at age eighty-three.’
      • ‘Employees commonly receive four weeks of paid vacation and retire between the ages of fifty-three and sixty.’
      • ‘If he was alive today, he would be sixty years of age.’


Old English siextig (see six, -ty).