Synonyms of add-on

add-on

noun

ˈad-ˌän 

as in option

something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment

a blow-dryer that comes with a couple of add-ons for people who are serious about styling their hair

Synonyms & Similar Words

• option
• accessory
• appliance
• adapter
• appendage
• adjunct
• attachment
• additive
• equipment
• enhancement
• accoutrement
• accompaniment
• complement
• amenity
• supplement
• subsidiary
• filler
• auxiliary
• furnishings
• extra
• incidental
• luxury
• ornament
• trappings
• embroidery
• adornment
• decoration
• trimming
• appurtenances
• embellishment
• garnish
• paraphernalia
• frill
• nonessential
• trim
• habiliment(s)
• nonnecessity
• doodad
• bells and whistles

Antonyms & Near Antonyms

• essential
• requirement
• necessity
• requisite

Example Sentences

Recent Examples of add-on

The aforementioned ZoomMate add-on agent ($20 extra per user per month) can automate workflows and create documents. — Chris Hoffman, PC Magazine, 31 July 2026

Serve alongside your favorite slow-cooker recipe for an easy and delicious add-on. — Abigail Wilt, Southern Living, 31 July 2026

An all-new, 22-speaker Bang & Olufsen sound system is also available as a premium add-on. — Bryan Hood, Robb Report, 29 July 2026

Peacock Premium Plus has been available through YouTube Primetime Channels since June, and NBCUniversal said Peacock Premium will become available as a standalone add-on through Primetime Channels later this summer. — Saleen Martin, USA Today, 28 July 2026