What does the word tension mean?

Usage examples for tension

  1. The boy was glad of anything to do to relieve the tension of waiting for the attack that didn't come. – The Border Boys Across the Frontier by Fremont B. Deering
  2. He wanted her to speak or move to break that tension of fear. – The Wrong Twin by Harry Leon Wilson
  3. The tension only lasted a moment or two. – The Cattle-Baron's Daughter by Harold Bindloss