Definition of eighteenth in English:

eighteenth

ordinal number

  • 1Constituting number eighteen in a sequence; 18th.

    ‘the eighteenth century’
    ‘her eighteenth birthday’
    • ‘In the wallet, Spade finds a ticket to the Geary Theater for Wednesday the eighteenth.’
    • ‘The annual competition is now in its eighteenth year.’
    • ‘He came eighteenth out of 25 candidates, picking up 50 of the 420 eligible votes.’
    • ‘In Britain our new century has much in common with the eighteenth.’
    • ‘This will be my eighteenth national conference, the last eleven consecutive.’
    • ‘This was not only their eighteenth engagement at the Academy's Opera House - but the second one in three months.’
    • ‘Billy bought Valencia a star sapphire ring for their eighteenth wedding anniversary.’
    • ‘A poll to determine the degree of "positive marquee value" among Hollywood featured players ranked Bogart eighteenth.’
    • ‘Then he disappears until the eighteenth episode, in which he speaks with a British accent.’
    • ‘Atwood was born on the eighteenth of November, 1939, the daughter of a forest entomologist.’
    1. 1.1as noun the eighteenth The last hole of a golf course.
      ‘he holed an eagle at the eighteenth’
      • ‘Longest first putts went to Franklin on hole nine and Horan on the eighteenth.’
      • ‘The eighteenth is the signature hole at Harbour Town Golf Links’
      • ‘However, putt of the day came from Pidcock at the eighteenth as he stroked the ball uphill around 50 ft and into the hole.’
      • ‘The eighteenth is a par 5 that can be reached in two.’
      • ‘Fletcher sank the most amazing long putt on hole nine, and Riley modestly claimed the eighteenth.’
  • 2Each of eighteen equal parts into which something is or may be divided.

    • ‘How many sixths equal three eighteenths?’
    • ‘New South Wales, Queensland, Victoria, and New Zealand each agreed to pay one-ninth of the cost of the cable, and Canada five-eighteenths.’
    • ‘He pointed out that clause 1 provided for payment of a maintenance charge being one eighteenth of the expenses paid or incurred by the Landlord under clause 6.’
    • ‘Alice Springs gets 5000 overnight visitors: that's one eighteenth when compared with Chamonix, although Alice has a permanent population nearly three times bigger.’
    • ‘My neighbour ingeniously cobbled together a plant doing the same job for around $10,000, one eighteenth of that.’

Pronunciation