Standard Lemma guide

underdo

verb · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

verb

Meaning 1

To do something insufficiently; especially, to undercook.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • 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.

Meaning relationships

Synonyms: none provided

Antonyms: overdo, overcook

2

verb

Meaning 2

To do something insufficiently; especially, to undercook.

To do less than is requisite.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • Near-synonyms: (of tasks) half-ass, shortchange, phone in
  • We warned him not to underdo it. This customer expects attention to detail.

Meaning relationships

Synonyms: half-ass, shortchange, phone in

Antonyms: overdo, overcook

3

verb

Meaning 3

To do something insufficiently; especially, to undercook.

To act below one's abilities; do less than one can.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive, transitive, uncommon

Examples

  • Near-synonyms: underachieve, slack off

Meaning relationships

Synonyms: underachieve, slack off

Antonyms: overdo, overcook

4

verb

Meaning 4

To put under, subject.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete, transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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”).