Unstable matter Synonyms

Definitions for Unstable


  • (adjective) not being in or able to maintain a state of balance
  • (adjective) likely to change frequently, suddenly, or unexpectedly
  • (adjective) not staying constant

Definitions for Matter


  • (noun) a major object of interest or concern (as in a discussion or artistic composition )
  • (noun) something to be dealt with
  • (noun) communications or parcels sent or carried through the postal system