From chasm + -atic + -al. <span class="searchmatch">chasmatical</span> (rare) Chasmal (of or like a chasm). 1760 June 14, The Monitor, or British Freeholder, number 256, page 1547:...
chasmal, superlative most chasmal) Of or like a chasm. Synonym: (rare) <span class="searchmatch">chasmatical</span> 1850, Edgar Allan Poe, “The Poetic Principle”, in The Works of the Late...
made for disturbing viewing for the Italian. chasma (obsolete) chasmal <span class="searchmatch">chasmatical</span> (rare) chasmed chasmic chasmlike chasmophyte chasmous chasmy chasma (“long...
terms suffixed with -atic acmatic anagrammatic apotelesmatic Asiatic <span class="searchmatch">chasmatical</span> deuterothematic dithematic endolymphatic enzymatic graphematic lymphatic...
according to their forms or colours. Obsolete form of chasm. chasm chasmal <span class="searchmatch">chasmatical</span> (unattested; appears only in dictionaries) long, narrow, steep-sided...