Dictionary

1. (

• fuss ,
• niggle ,
• fret ,

) worry unnecessarily or excessively; "don't fuss too much over the grandchildren;

2. (

• quibble ,
• niggle ,
• pettifog ,
• bicker ,
• squabble ,
• brabble

) argue over petty things; "Let's not quibble over pennies" ;