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check up on

Definition of check up on

  1. :  to find or look for information about (someone or something) often in order to find out the truth <My parents are always checking up on me.> <The police are checking up on his alibi.>



Word by Word Definitions

checkplay
  1. :  exposure of a chess king to an attack from which he must be protected or moved to safety

    :  a sudden stoppage of a forward course or progress :  arrest

    :  a checking of an opposing player (as in ice hockey)

  1. :  to put (a chess king) in check

    :  rebuke, reprimand

    :  to slow or bring to a stop :  brake

  1. : used to express assent or agreement

  1. :  in or into a higher position or level

    :  away from the center of the earth

    :  from beneath the ground or water to the surface

  1. :  risen above the horizon

    :  standing

    :  being out of bed

  1. : used as a function word to indicate motion to or toward or situation at a higher point of

    :  up into or in the

    :  in a direction regarded as being toward or near the upper end or part of

  1. :  one in a high or advantageous position

    :  an upward slope

    :  a period or state of prosperity or success

  1. :  to rise from a lying or sitting position

    :  to move upward :  ascend

    : used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated


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a division or portion of a pool or whole

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