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

Payne said the merger would unite two complementary businesses with deep expertise in premium content and global rights exploitation. — Elsa Keslassy, Variety, 10 July 2026

This cover-up dress not only looks chic and stylish thanks to its striking geometric pattern and complementary border at the hem, but it also is made from a blend of polyester and spandex with UPF 50 protection to shield you from the sun. — Alicia Geigel, Southern Living, 10 July 2026

When asked which host is more likely to defend an Islander and which is more likely to demand answers, Pessoa says their approaches are unique but complementary. — Valerie Mesa, PEOPLE, 9 July 2026

Before sitting front row at the Galerie Vendôme, Lopez also showed off her complementary iridescent makeup, courtesy of a reflective light blue and lavender eyeshadow with frosted corners. — Lara Walsh, InStyle, 9 July 2026