Horrifying and astonishing. / Extremely bad; terrible

present participle of appall

(transitive) To fill with horror; to dismay. / (transitive, obsolete) To make pale; to blanch. / (transitive, obsolete) To weaken; to reduce in strength

Third-person singular simple present indicative form of appall

(Britain, less common) Alternative spelling of appall

simple past tense and past participle of appall / simple past tense and past participle of appal

Shocked, horrified by something unpleasant.

One who appalls.

plural of appaller

(Britain) Third-person singular simple present indicative form of appal