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

Antonyms & Near Antonyms

• essential
• requirement
• necessity
• requisite

Examples of add-on in a Sentence

Recent Examples on the Web

The process is based on industry standards, so multiple apps could emerge for age-verification; the DMV’s wallet uses an add-on app called TruAge. —Jon Healey, Los Angeles Times, 15 Aug. 2024

The headline add-on, though, is a set of illuminated treadplates that feature the no. 12’s signature. —Bryan Hood, Robb Report, 15 Aug. 2024

Ushi sprints out of the gate with a rather long, comprehensive scroll of options that includes camping add-ons like pressurized 15- or 30-L water tanks, an awning, a sink faucet, a grill mount, a battery and plenty more. —New Atlas, 15 Aug. 2024

Some sports are available with an add-on subscription to Bleacher Report. —Kelly Lawler, USA TODAY, 14 Aug. 2024