underdo.
To do something insufficiently; especially, to undercook.
Meaning & usage
To do something insufficiently; especially, to undercook.
Sorry to say, I've underdone the pot roast. I think we'd better put it back in the oven for a bit.
Sorry to say, I've underdone the downspout repair. I think we'd better hire someone to replace the whole thing.
To do something insufficiently; especially, to undercook. To do less than is requisite.
We warned him not to underdo it. This customer expects attention to detail.
To do something insufficiently; especially, to undercook. To act below one's abilities; do less than one can.
To put under, subject.
Where this word comes from
From Middle English underdon, from Old English underdōn (“to put under”), from Proto-Germanic *under + *dōną (“to put”). Equivalent to under- + do. Cognate with German unterthun (“to put under, subject”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.