fuss Pronunciation: ⁄ fʌs ⁄ noun [mass noun] · a display of unnecessary or excessive excitement, activity, or interest: I don’t know what all the fuss is about · [in singular] a protest or dispute of a specified degree or kind: he didn’t put up too much of a fuss · elaborate or complex procedures; trouble or difficulty: they settled in with very little fuss verb [no object] · show unnecessary or excessive concern about something: she is always fussing about her food · busy oneself restlessly: beside him Kegan was fussing with sheets of paper · [with object] British disturb or bother (someone): when she cries in her sleep, try not to fuss her · [with object] treat (someon...