Complementary
Complementary adjective - Related to each other in such a way that one completes the other.
Usage example: the complementary contributions of the cooking and cleanup committees were essential to the success of the church barbecue
Supplementary is a synonym for complementary. In some cases you can use "Supplementary" instead an adjective "Complementary".
Supplementary
Supplementary adjective - Available to supply something extra when needed.
Usage example: the teacher's edition of the textbook comes with a lot of supplementary material
Complementary is a synonym for supplementary in add-on topic. You can use "Complementary" instead an adjective "Supplementary".
Mutual synonyms
Related pairs
- accessory and complementary
- accessory and supplementary
- reserve and complementary
- reserve and supplementary
- subordinate and complementary
- subordinate and supplementary
- supportive and complementary
- supportive and supplementary
- subsidiary and complementary
- subsidiary and supplementary
- secondary and complementary
- secondary and supplementary
- collateral and complementary
- collateral and supplementary
Cite this Source
Supplementary and Complementary. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/complementary/supplementary
Complementary & Supplementary. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/complementary/supplementary>.
Supplementary or Complementary. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/complementary/supplementary.
Google Ngram Viewer shows how "complementary" and "supplementary" have occurred on timeline