The word ‘fuss’ can be defined as follows:
1. **Noun**: A display of unnecessary or excessive excitement, activity, or worry, often over something trivial. For example, “There was a lot of fuss over the small details of the event.”
2. **Verb**: To show unnecessary concern or excitement about something; to make a fuss. For example, “She tends to fuss over every little thing.”
In both uses, ‘fuss’ implies an element of agitation or overreaction to relatively minor issues.