Definition of eighteen in English:


Pronunciation /eɪˈtiːn//ˈeɪtiːn/

cardinal number

  • 1Equivalent to the product of two and nine; one more than seventeen, or eight more than ten; 18.

    ‘she wrote eighteen novels’
    ‘out of sixty batches checked, eighteen were incorrect’
    ‘eighteen of the guests were gathered’
    • ‘The rest received sentences of seventeen or eighteen years.’
    • ‘They have conceded thirty five goals in eighteen games.’
    • ‘Had this been written eighteen months ago, there'd have been a queue of people lining up to laugh at these views, and I'd have been there at the front.’
    • ‘Seventeen out of eighteen provinces were in open revolt.’
    • ‘I paid with a twenty and got seventeen or eighteen dollars in change.’
    • ‘I run a small team that has spent the last eighteen months working on a variety of game projects.’
    • ‘For the first eighteen months of his term, Davis enjoyed great political fortune.’
    • ‘Just eighteen more hours until my high school days are over forever.’
    • ‘After this the team filmed the family eighteen hours a day for three months.’
    • ‘She died on September 30, 1897 at the age of 24 after eighteen months of great physical suffering and desolation of spirit.’
    • ‘All eighteen players who met this criteria remained in organized baseball three years later.’
    • ‘It was submitted that his decision in the claimant's case to extend the period of nine months to eighteen months was a matter of judgement which was within his discretion.’
    • ‘The remaining eighteen quotes ranged from £315 to £462, with seven firms unable to provide a quote.’
    • ‘All eighteen players played their hearts out and were ecstatic when the final whistle came.’
    • ‘The two men travelled to the Southern French town last year with eighteen musicians aged between 16-19 years old.’
    1. 1.1 A set or team of eighteen individuals.
      • ‘This panel was reduced and Aoife found herself in the last eighteen.’
      • ‘The bunkers were in an unbelievable condition no doubt due to the efforts by the ground keepers on the other eighteen which made them almost unplayable.’
      • ‘They lost three, including the first of the tour, an innings defeat by a Victorian eighteen.’
      • ‘Though he has trained for field gun before, this is his first time in the final eighteen.’
      • ‘They had six athletes in the top eighteen.’
    2. 1.2 Eighteen years old.
      ‘he was barely eighteen’
      • ‘Dee expects him to continue to attend until the age limit of eighteen.’
      • ‘Most people who have tried smoking smoked their first cigarette before the age of eighteen.’
      • ‘Like her brothers before her, she had left home long before reaching the age of eighteen.’
      • ‘Even after all these years, his smile still made her feel eighteen again.’
      • ‘By age eighteen, most have witnessed thousands of murders on television and video games.’
      • ‘All band members, however, must be aged eighteen or over.’
      • ‘For thousands under the age of eighteen, this is their reality.’
      • ‘Reaching the age of eighteen was quite significant for me, as it allowed me the opportunity to cast my first parliamentary vote.’
      • ‘She was barely eighteen, apparently, and looked younger.’
      • ‘She's seventeen about to turn eighteen but we got married with parental permission.’
      • ‘No one knew that she was only sixteen and he was only eighteen.’
      • ‘I hoped I wasn't looking forward to college and turning eighteen for nothing.’
      • ‘He was the son of a cooper and entered the army in 1870 aged eighteen.’
      • ‘I was eighteen and I barely knew anything about the world around me!’
      • ‘Just because staff members are over the age of eighteen does not mean they have the maturity of an adult.’
      • ‘She returned to Scotland as Queen of the Scots aged eighteen in 1561.’
      • ‘Children must remain in full-time education until age sixteen and in part-time until age eighteen.’
      • ‘When I turned, two young guys, perhaps seventeen or eighteen, were standing before me.’
      • ‘John emigrated to England at the age of eighteen.’
      • ‘How could the twins already be seventeen, eighteen in a month?’
    3. 1.3 A size of garment or other merchandise denoted by eighteen.
      • ‘Judging by old photos of her, she looked to be about a size eighteen.’
      • ‘She stocks sizes eight to eighteen and takes orders for bigger sizes.’
    4. 1.4British (of a film) classified as suitable for people of 18 years and over.


Old English e(a)htatēne (see eight, -teen).