Synonyms of adapter

adapter

noun

ə-ˈdap-tər 

variants also adaptor

as in accessory

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

adapters for the food mixer include a meat grinder and an ice cream maker

Synonyms & Similar Words

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

Antonyms & Near Antonyms

• requirement
• essential
• necessity
• requisite

Example Sentences

Recent Examples of adapter

Automatic models connect to a sink faucet via a quick-connect adapter and handle the wash cycle on their own. — Ryan Brennan, Charlotte Observer, 14 Aug. 2026

The product also seems to support Power over Ethernet (PoE), in addition to an AC adapter. — Michael Kan, PC Magazine, 14 Aug. 2026

According to the company, the adapters are easy to snap in and out without tools or glue, so the whole system can be rebuilt in different configurations. — Maryna Holovnova, New Atlas, 10 Aug. 2026

And with this universal adapter compatible with over 200 countries, a few hours to kill in an international airport gets a little easier. — Lara Kramer, Condé Nast Traveler, 8 Aug. 2026