1. The quickness of action or occurrence
   "The immediateness of his response surprised everyone";
   - immediacy, instantaneousness, instancy
    
2. Lack of an intervening or mediating agency
   "the immediateness of television coverage";
   - immediacy

See also: immediate, mediate

Type of: celerity [archaic], directness, quickness, rapidity, rapidness, speediness, straightness