Standard Lemma guide

underact

verb · 2 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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  • rhymes with -ækt

1

verb

Meaning 1

To act in an understated manner or with little expressiveness.

Definition source: English Wiktionary via Wiktextract

Usage: intransitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

act (a role) with great restraint

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: underplay

Antonyms: overact

Broader terms: act, play, roleplay, playact

History

Etymology

Etymology tree Proto-Indo-European *h1én Proto-Indo-European *h1entér Proto-Indo-European *(H)n̥dhí Proto-Indo-European *-ér Proto-Indo-European *(H)n̥dhér Proto-Germanic *under Proto-West Germanic *undar Old English under- Middle English under- English under- Latin agō Latin ācta Old French actbor. Middle English acte English act English underact From under- + act.