• Underdo

    Origin

    From Middle English underdon, from Old English underdōn ("to put under"), from Proto-Germanic *under + *dōną ("to put"), equivalent to - + do. Cognate with German unterthun ("to put under, subject").

    Full definition of underdo

    Verb

    1. (transitive, obsolete) To put under, subject.
    2. (transitive) To do something insufficiently; especially to undercook.
    3. (intransitive) To act below one's abilities; do less than one can.
    4. (intransitive) To do less than is requisite.
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