Originally posted by rpm371 
She had lived a sedimentary lifestyle and become fat and lazy. 
  
 D'OH! 
I ment sedentary. My Bad.
Main Entry: sed·en·tary 
Pronunciation: 'se-d&n-"ter-E
Function: adjective
Etymology: Middle French sedentaire, from Latin sedentarius, from sedent-, sedens, present participle of sedEre to sit -- more at SIT
Date: 1598
1 : not migratory : SETTLED 
2 : doing or requiring much sitting