Appal is a synonym of frighten.
As verbs the difference between appal and frighten
is that appal is (british|less common) while frighten is to disturb with fear; to throw into a state of alarm or fright; to affright; to terrify.
appal
English
Verb
(British, less common)
Anagrams
*
*
frighten
English
Verb
(
en verb)
To disturb with fear; to throw into a state of alarm or fright; to affright; to terrify.
Synonyms
* See also