What is the meaning of reverting?

noun

• A failure to maintain a higher state.
  • synonyms: backsliding, lapse, lapsing, relapse, relapsing, reversion

verb

• Go back to a previous state.
  • usage: "We reverted to the old rules"
  • synonyms: revert, return, retrovert, regress, turn back
• Undergo reversion, as in a mutation.
  • synonyms: revert

adjective

• Tending to return to an earlier state.
  • synonyms: returning