Inhibit

v. t.
  1. To check; to hold back; to restrain; to hinder.
  2. To forbid; to prohibit; to interdict.
  3. (Chem., Biochem.) To cause the rate of (a chemical or biochemical reaction) to proceed slower, or to halt; as, vitamin C inhibits oxidation; penicillins inhibit bacterial cell wall synthesis.
  4. To restrain (a behavior) by a mechanism involving conscious or unconscious motivations.