a. [f. Gr. κομήτης, L. comēta comet + -IC, after planetic, L. planēticus, Gr. πλανητικός.] Of or pertaining to a comet or comets; of the nature of or resembling a comet.

1

1668.  Phil. Trans., III. 807. An Inclination of the Cometick Disk to the Sun.

2

1696.  Whiston, Th. Earth, II. (1722), 187. The whole Cometick System.

3

1803.  Edin. Rev., I. 429. The greater eccentricity of the cometic orbits.

4

1879.  Newcomb & Holden, Astron., 391. The cometic nucleus.

5

  b.  fig. Having some noted attribute of comets: blazing; portentous; erratic.

6

1661.  K. W., Conf. Charac., Meere Polititian (1860), 27. Devising plots against such as have been his coadjutors to this commetique serenity.

7

1885.  Mrs. Lynn Linton, Chr. Kirkland, I. v. 126. His comings and goings were … always cometic.

8