difference in WordNet English dictionary

1. a disagreement or argument about something important
   "he had a dispute with his wife"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats"
   dispute  difference  difference of opinion  conflict 
   
2. a variation that deviates from the standard or norm
   "the deviation from the mean"
   deviation  divergence  departure  difference 
   
3. the quality of being unlike or dissimilar
   "there are many differences between jazz and rock"
   difference 
   
4. the number that remains after subtraction; the number that when added to the subtrahend gives the minuend
   remainder  difference 
   
5. a significant change
   "the difference in her is amazing"; "his support made a real difference"
   difference