WordWeb Online

1. Sexually exciting or gratifying
   "a sultry look";
   - sensual
    
2. Characterized by oppressive heat and humidity
   "the summer was sultry and oppressive";
   - stifling, sulfurous [N. Amer], sulphurous [Brit, Cdn], sulphureous [Brit]

Derived forms: sultrier, sultriest

See also: hot

Encyclopedia: Sultry