ADJECTIVE (1)

1. devoid of brightness or appeal;
- Example: "a subfusc mining town"
- Example: "dark subfusc clothing"

The Collaborative International Dictionary of English v.0.48:

subfusc \sub*fusc"\, a. [L. subfuscus, suffuscus. See Sub-,
   and Fuscous.]
   1. Same as subfuscous.
      [PJC]

   2. Drab; dingy; dull. [Chiefty Brit.]
      [PJC]