Definition of noon noun from the Oxford Advanced Learner's Dictionary



BrE BrE//nuːn//
; NAmE NAmE//nuːn//
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  • 12 o’clock in the middle of the day synonym midday We should be there by noon. The conference opens at 12 noon on Saturday. the noon deadline for the end of hostilities I'm leaving on the noon train. the glaring light of high noon
  • Word OriginOld English nōn ‘the ninth hour from sunrise, i.e. approximately 3 p.m.’, from Latin nona (hora) ‘ninth hour’.Extra examples the glaring light of high noon I’m leaving on the noon train. We arrived at high noon.Idioms
    morning, noon and night
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    at all times of the day and night (used to emphasize that something happens very often or that it happens continuously) She talks about him morning, noon and night. The work continues morning, noon and night.
    See the Oxford Advanced American Dictionary entry: noon