Noun immediacy has 3 senses
  1. immediacy, immediateness - lack of an intervening or mediating agency; "the immediacy of television coverage"
    --1 is a kind of directness, straightness
    Antonyms: mediacy, mediateness
  2. immediacy, immediate apprehension - immediate intuitive awareness
    --2 is a kind of intuition
  3. immediacy, immediateness, instantaneousness, instancy - the quickness of action or occurrence; "the immediacy of their response"; "the instancy of modern communication"
    --3 is a kind of celerity, quickness, rapidity