Part of speech:
Causing, or thought of as causing, the hair to stand on end; terrifying or shocking
Causing fright; terrifying; alarming
The definition of formidable is something that causes fear and is difficult to overcome.
Repellent, unattractive, forbidding, grim, etc.
The definition of redoubtable is someone or something that brings fear or commands respect.
Dire is defined as something that is urgent.
Foreshadowing evil or disaster; ominous.
Inspiring awe or reverence; awesome
The definition of dreadful is terrible, shocking or very disturbing.
Feeling fear; afraid
the act of inspiring with fear
Find another word for frightening. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for frightening, like: scary, terrifying, hair-raising, frightful, daunting, disheartening, fearsome, formidable, rebarbative, redoubtable and awful.