reverting

(noun) a failure to maintain a higher state. Synonyms: backsliding, lapse, lapsing, relapse, relapsing, reversion.

(verb) go back to a previous state. Synonyms: revert, return, retrovert, regress, turn back. Example: "We reverted to the old rules."

(verb) undergo reversion, as in a mutation. Synonyms: revert.

(adj) tending to return to an earlier state. Synonyms: returning.