adj. terrifying, alarming, startling, shocking, petrifying, horrifying, dismaying, appalling, unnerving, dire, distressing, daunting, intimidating, formidable, frightful, fearful, hair-raising, harrowing, dreadful, Colloq scary, spooky Skydiving can be a frightening experience The sight of their mangled bodies was frightening.
FRIGHTENING
Meaning of FRIGHTENING in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012