What is the meaning of fill in?

verb

  • Supply with information on a specific topic.
    • usage: "He filled me in on the latest developments"
  • Represent the effect of shade or shadow on.
  • Be a substitute.
    • usage: "The young teacher had to substitute for the sick colleague"; "The skim milk substitutes for cream-we are on a strict diet"
  • Write all the required information onto a form.
    • usage: "fill out this questionnaire, please"; "make out a form"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). fill in. Retrieved September 22, 2026, from http://smartdefine.org/fill_in/definitions/1276181
ChicagoWordNet. 2010. "fill in" http://smartdefine.org/fill_in/definitions/1276181 (accessed September 22, 2026).
HarvardWordNet 2010, fill in, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/fill_in/definitions/1276181>.
MLAWordNet. "fill in" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/fill_in/definitions/1276181>