a. 致病的, 病态的, 疾病的, 可怕的

[医] 病的

Morbid \Mor"bid\, a. [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, a morbid condition; 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.

3. Indicating an unhealthy mental attitude or disposition;
especially, abnormally gloomy, to an extent not justified
by the situation; preoccupied with death, disease, or fear
of death; as, a morbid interest in details of a disaster.
[PJC]

4. Gruesome; as, a morbid topic.
[PJC]

Syn: Diseased; sickly; sick.

Usage: {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.