unsteady vs volatile

unsteady

adj
  • Inconstant in purpose, or volatile in behavior. 

  • Lacking regularity or uniformity. 

  • Not held firmly in position, physically unstable. 

verb
  • To render unsteady, removing balance. 

volatile

adj
  • Variable or erratic. 

  • Explosive. 

  • Temporary or ephemeral. 

  • Quick to become angry or violent. 

  • Fickle. 

  • Whose content is lost when the computer is powered down 

  • Having its associated memory immediately updated with any changes in value. 

  • Potentially violent. 

  • Evaporating or vaporizing readily under normal conditions. 

noun
  • A variable that is volatile, i.e. has its associated memory immediately updated with any change in value. 

  • A chemical or compound that changes into a gas easily. 

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