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

But Saturday night showed a way for the offense to play complementary football even with the unit’s inability to run the ball. — Steven Johnson, Fort Worth Star-Telegram, 19 Oct. 2026

This data suggests that pro-climate messages could appeal to swing voters most strongly if climate policies are seen as complementary to affordability. — Geoffrey Henderson, The Conversation, 19 Oct. 2026

Faisal Munir, president of mission-critical communications at L3Harris, said the partnership combines complementary technologies with resilient networks. — Aamir Khollam, Interesting Engineering, 16 Oct. 2026

The strategy works through two complementary pathways, either of which some brands may already be pursuing. — Jasmin Malik Chua, Footwear News, 16 Oct. 2026