WordWeb Online

1. Sexually exciting or gratifying
   "a sultry look"; "a sultry dance"
   - 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: sultriest, sultrier

See also: hot, sultrily, sultriness

Encyclopedia: Sultry