The word "fretters" refers to people who worry excessively or constantly. Synonyms for fretters include worriers, anxious individuals, nervous types, panickers, and fusspots. These people are often preoccupied with concerns about the future, regrets about the past or are focused on current events. Although it is normal for people to worry sometimes, fretters tend to do so excessively and worry about the little things. Other synonyms for fretters include concern trolls, worrywarts, and stressballs. It is important to note that excessive worrying can lead to anxiety and other related health issues. Fretters should try to find ways to reduce stress and find solutions to their problems instead of worrying about them.