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

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

Supplemental questionnaires are add-on forms sometimes included as part of the application process. — Amy Lindgren, Twin Cities, 25 July 2026

Higher jet fuel costs lead to costlier flights Since the war began, airlines have responded to the jump in fuel costs by raising fares and add-on fees, and trimming flights or routes that are no longer profitable at higher fuel prices. — Cathy Bussewitz, Fortune, 24 July 2026

Worlds of Fun and Oceans of Fun, a combined amusement and water park that makes an easy add-on to any early season game-day itinerary. — Taylor Haught, Kansas City Star, 24 July 2026