intimidating synonyms

[ UK /ɪntˈɪmɪdˌe‍ɪtɪŋ/ ]
[ US /ˌɪnˈtɪmɪˌdeɪtɪŋ/ ]

Synonyms

alarming dire direful dread dreadful fearsome forbidding formidable frightening frightful ghastly hair-raising horrendous horrible horrifying fearful redoubtable scary shocking terrible terrifying