straight face

noun 0.665

flat affect

noun 0.577

dead stand

noun 0.568

dead

noun 0.556

dead set

noun 0.551

straight bat

noun 0.548

deadness

noun 0.544

humorlessness

noun 0.533

dead donkey

noun 0.521

flatline

noun 0.520

black humor

noun 0.520

dead wall

noun 0.513

slapstick

noun 0.512

dead room

noun 0.510

poker face

noun 0.510

deadening

noun 0.510

deadman

noun 0.509

blankness

noun 0.509

humdrum

noun 0.509

dead air

noun 0.508

dead center

noun 0.508

dead sleep

noun 0.508

sarcasm

noun 0.507

monotone

noun 0.507

deadeye

noun 0.506

punny

noun 0.506

dead-center

noun 0.504

pane

noun 0.500