underacts

Delivers muted performance

Underacts is the third-person singular of underact, meaning to perform with insufficient energy or emotional intensity.

An actor who underacts delivers lines too flatly or fails to convey the dramatic weight a scene requires: She underacts the death scene so badly it feels like she's reading a grocery list.

The opposite of overacting, though both suggest poor calibration to the material.

theatrical

underplays

Deliberately de-emphasizes something

stiff · flat · monotone · uninspired · inexpressive · emotionless · restrained · muted · subtle · low-key

deliberate

minimizes

Reduces to smallest extent

de-emphasizes · tempers · moderates · restrains · suppresses · contains · checks · curbs · mutes · dampens

unconvincing

faltering

Becoming unsteady or weak

implausible · feeble · lackluster · weak · half-hearted · tentative · hesitant · amateurish · unimpressive · forgettable

Opposites
performance intensity

underactsoveracts

Performs too dramatically

chews the scenery · hams · overplays · mugs · emotes

Phrases
Family

underachiever, underachievement, underactive, underact, underacted, underacting, underactivity

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Used worldwide · Timeless · Rated G