Optional extra
Synonyms for Optional extra
- addition
- add-on
- supplement
- bonus
- luxury
- trimming
- treat
- extravagance
- extra
- supernumerary
- affix
- appendix
- associate
- auxiliary
- detail
- partner
- subordinate
- extension
- complement
- attachment
- appurtenance
- appendage
- addendum
- accessory
- adjunct
For more similar words, try Optional extra on Thesaurus.plus dictionary