Dictionary and Thesaurus

Definition of Frightful

• (a.) Full of fright; affrighted; frightened.
• (a.) Full of that which causes fright; exciting alarm; impressing terror; shocking; as, a frightful chasm, or tempest; a frightful appearance.

Synonyms of Frightful

• Atrocious
• Horrifying
• Horrible
• Ugly
• Terrible
• Awful
• Tremendous
• Fearful

Antonyms of Frightful

Homophones of Frightful