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
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Recent Examples of add-on
Starting April 6, the $5 per day add-on will end for children of all ages.
—
Jillian Taylor, StateImpact, 8 Jan. 2026
Browser extensions can be helpful, but every extra add-on is another door into your browser.
—Kurt Knutsson, FOXNews.com, 6 Jan. 2026
The company's base home warranty plans are affordable at $55 to $65 per month, but the add-on costs add up quickly.
—Alora Bopray, USA Today, 31 Dec. 2025
As an add-on, visitors can book a scenic helicopter flight from Santo Amaro to São Luís for a breathtaking finale.
—Cris Nogueira, Travel + Leisure, 31 Dec. 2025
See All Example Sentences for add-on
Recent Examples of Synonyms for add-on
Noun
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Take a cue from Nicole Kidman and swap bulky trainers for a sleeker option that styles effortlessly from the plane to wherever the day takes you.—
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Silver plans are a middle-tier option that the ACA marketplaces offer for qualifying consumers.—
Noun
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Perhaps her greatest accessory of all time, the 2026 version was ultra-sleek with a left side part and a strand of hair hanging down in front of her face.—
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The look was made modern by a simple black manicure—nail artist Tom Bachik used Chanel Le Vernis Longwear Nail Colour in Le Diable en Chanel—the perfect accessory to her feathery black and cream off-the-shoulder dress.—
Noun
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However, the appliance’s internal temperature was too warm at 50 degrees.—
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The work triangle has origins dating back to the 19th century, but in a space that now serves diverse purposes and is filled with technology and appliances that didn’t exist when it was created, is the kitchen work triangle still relevant?—
Cite this Entry
“Add-on.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/add-on. Accessed 13 Jan. 2026.
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