Today, it's worlds away from the cruel and frightful bigotry of that time.
All these frightful trends are already emerging—and they will accelerate every day that the diplomatic wrangling continues.
When the weather outside is frightful, board a plane and head to Florida.
mid-13c., "timid;" c.1600 "alarming;" from fright + -ful. In common with most -ful adjectives, it once had both an active and passive sense. Meaning "dreadful, horrible, shocking" (often hyperbolic) is attested from c.1700; Johnson noted it as "a cant word among women for anything unpleasing." Related: Frightfully.