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Webster 1913 Edition

Frightfully

Fright′ful-ly

,

adv.

In a frightful manner; to a frightful dagree.

Webster 1828 Edition

Frightfully

FRIGHTFULLY

, adv.

1.

Terribly; dreadfully; in a manner to impress terror and alarm; horribly.

2.

Very disagreeably; shockingly. She looks frightfully to day.