hard stop vs instant

hard stop

noun
  • A definite time when someone must end a task in order to meet another time commitment. 

  • A mechanical device that limits the travel of a mechanism. 

  • A tactic used by armed police to stop a vehicle believed to contain dangerous criminals. 

  • Synonym of full stop 

instant

noun
  • A single, usually precise, point in time. 

  • A beverage or food which has been pre-processed to reduce preparation time, especially instant coffee. 

  • A very short period of time; a moment. 

adv
  • At once; immediately. 

adj
  • Present; current; extant. 

  • Very quickly and easily prepared. 

  • Of the current month. 

  • Occurring immediately; immediate; present. 

  • Lasting for a short moment; momentary; short-lived. 

How often have the words hard stop and instant occurred in a corpus of books? (source: Google Ngram Viewer )