Dictionary definition · fuss
noun
- an excited state of agitation"he was in a dither"
- an angry disturbance"he didn't want to make a fuss"
- a quarrel about petty points
- a rapid active commotion
verb
- worry unnecessarily or excessively"don't fuss too much over the grandchildren — they are quite big now"
- care for like a mother"She fusses over her husband"
Source: Open English WordNet (CC BY 4.0).