1. (

• reversion

) (law) an interest in an estate that reverts to the grantor (or his heirs) at the end of some period (e.g., the death of the grantee) ;

2. (

• reversion

) (genetics) a return to a normal phenotype (usually resulting from a second mutation) ;

3. (

• atavism ,
• reversion ,
• throwback

) a reappearance of an earlier characteristic ;

4. (

• reversion ,
• reverse ,
• reversal ,
• turnabout ,
• turnaround

) turning in the opposite direction ;

5. (

• regression ,
• regress ,
• reversion ,
• retrogression ,
• retroversion

) returning to a former state ;

6. (

• backsliding ,
• lapse ,
• lapsing ,
• relapse ,
• relapsing ,
• reversion ,
• reverting

) a failure to maintain a higher state ;