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[chek-uhp] /ˈtʃɛkˌʌp/
a comprehensive physical examination:
He went to the doctor for a checkup.
an examination or close scrutiny, as for verification, accuracy, or comparison:
They gave the motor a checkup.
Origin of checkup
1885-90, Americanism; noun use of verb phrase check up Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for checkup
Contemporary Examples
Historical Examples
  • "Wade Lucas wanted me to drop in on him for a checkup," he mentioned.

    The Cosmic Computer Henry Beam Piper
  • I just had a checkup from Dr. Willoughby, and he thinks I'm more than holding my own.

    The Star Lord Boyd Ellanby
  • Did you give Maragon's heart a checkup in the last couple of weeks?

    The Right Time Walter Bupp
  • He was still standing there when the checkup squad marched in and arrested him for gross dereliction of duty.

    The Impossible Voyage Home Floyd L. Wallace
  • This checkup determined which slaves were late or who had committed some offense late on the day before or during the night.

  • And he'd had his usual monthly checkup not more than ten days ago, only to be assured there was nothing wrong with him.

    This Crowded Earth Robert Bloch
  • Government medical authorities met the women at checkup time and demonstrated that the Leff Law had teeth in it.

    This Crowded Earth Robert Bloch
British Dictionary definitions for checkup


an examination to see if something is in order
(med) a medical examination, esp one taken at regular intervals to verify a normal state of health or discover a disease in its early stages
(intransitive, adverb) sometimes foll by on. to investigate or make an inquiry into (a person's character, evidence, etc), esp when suspicions have been aroused
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for checkup

also check-up, "careful examination," 1921, American English, from check (v.) + up (adv.), on notion of a checklist of things to be examined. The verbal phrase check up (on) is attested from 1889.

Online Etymology Dictionary, © 2010 Douglas Harper
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checkup in Medicine

checkup check·up (chěk'ŭp')

  1. An examination or inspection.

  2. A general physical examination.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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