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underdo

[uhn-der-doo]
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verb (used with or without object), un·der·did, un·der·done, un·der·do·ing.
  1. to do less or in a lesser fashion than is usual or requisite.
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Origin of underdo

First recorded in 1605–15; under- + do1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for underdo

Historical Examples

  • The English overdo or underdo everything, and are either drunk or in despair.

    Winterslow

    William Hazlitt

  • It is distinctly unhealthful either to overdo or to underdo work, play, rest, or sleep.

    How to Live

    Irving Fisher and Eugene Fisk

  • A young fellow should be ambitious to shine in everything—and, of the two, always rather overdo than underdo.

  • A young fellow should be ambitious to shine in everything; and, of the two, rather overdo than underdo.

    A Letter Book

    George Saintsbury