noun (n)

• a state of extreme hunger resulting from lack of essential nutrients over a prolonged period(noun.state)

  Synonym:
  famishment
  

  source: wordnet30
• the act of depriving of food or subjecting to famine(noun.act)

  Example:
  The besiegers used starvation to induce surrender.
  They were charged with the starvation of children in their care.
  

  Synonym:
  starving
  

  source: wordnet30
• The act of starving, or the state of being starved.(noun)

  source: webster1913