MORBIDEST
Adjective
morbidest
superlative form of morbid: most morbid
Source: Wiktionary
MORBID
Mor"bid, a. Etym: [L. morbidus, fr. morbus disease; prob. akin to
mori to die: cf. F. morbide, It. morbido. See Mortal.]
1. Not sound and healthful; induced by a diseased or abnormal
condition; diseased; sickly; as, morbid humors; a morbid
constitution; a morbid state of the juices of a plant. "Her sick and
morbid heart." Hawthorne.
2. Of or pertaining to disease or diseased parts; as, morbid anatomy.
Syn.
– Diseased; sickly; sick.
– Morbid, Diseased. Morbid is sometimes used interchangeably with
diseased, but is commonly applied, in a somewhat technical sense, to
cases of a prolonged nature; as, a morbid condition of the nervous
system; a morbid sensibility, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition