Synonyms of complementary

complementary

adjective

ˌkäm-plə-ˈmen-t(ə-)rē 

as in supplementary

related to each other in such a way that one completes the other

the complementary contributions of the cooking and cleanup committees were essential to the success of the church barbecue

Synonyms & Similar Words

• supplementary
• reciprocal
• mutual
• supplemental
• collective
• combined
• correlative
• cooperative
• communal
• joint
• symbiotic
• common
• shared
• conjoint
• united

Antonyms & Near Antonyms

• nonreciprocal
• noncomplementary

Example Sentences

Recent Examples of complementary

Paula Goldman, Salesforce’s chief ethical and humane use officer, argues there’s currently a big opportunity to redesign work around the complementary strengths of humans and AI. — Harvard Business Review, 17 Sep. 2026

And with Edward and Elinor, they’re designed, particularly palette-wise, to be very complementary. — Radhika Seth, Vogue, 17 Sep. 2026

One year after its successful location move (from Centennial Olympic Park to Piedmont Park) and seasonal shift (from May to September), Shaky Knees Festival returns this weekend for alternative rock and complementary sounds and styles. — Matthew W. Smith, AJC.com, 16 Sep. 2026

To Liang, the contrasting cold iron with the softer and warmer silk also evoked complementary forms of spiritual strength. — Devorah Lauter, ARTnews.com, 16 Sep. 2026