effective date

Definition of effective date

  1. :  the day when a law, rule, contract, etc., starts to be used

Word by Word Definitions

effectiveplay
  1. :  producing a decided, decisive, or desired effect

    :  impressive, striking

    :  ready for service or action

  1. :  one that is effective (see 1effective)

    :  a soldier equipped for duty

dateplay
  1. :  the brown, oblong edible fruit of a palm (Phoenix dactylifera)

    :  the tall palm with pinnate leaves that yields the date

  1. :  the time at which an event occurs

    :  a statement of the time of execution (see execution 1) or making

    :  duration

  1. :  to determine the period of time to which something belongs :  to determine the date (see 2date 3) of

    :  to record the time of the execution or making of :  mark with the date

    :  to mark with characteristics typical of a particular period


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