What is another word for bells and whistles?
Pronunciation: [bˈɛlz and wˈɪsə͡lz] (IPA) 
Bells and whistles is an idiomatic expression that refers to extra features or embellishments added to something to make it more attractive or appealing. Some synonyms for bells and whistles include frills, embellishments, add-ons, extras, ornaments, decorations, and fancy features. For example, a car may have a sunroof, heated seats, and navigation system as its bells and whistles. A computer program may have additional features like spell check, a thesaurus, and a variety of fonts as its bells and whistles. Essentially, any extras that are added to make something stand out or more attractive can be considered bells and whistles.
