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Webster 1913 Edition

Frightfulness

Fright′ful-ness

,

Noun.

The quality of being frightful.

Webster 1828 Edition

Frightfulness

FRIGHTFULNESS

,

Noun.

The quality of impressing terror.

Definition 2024

frightfulness

frightfulness

English

Noun

frightfulness ‎(usually uncountable, plural frightfulnesses)

The quality of being frightful.