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