Complementary
Complementary adjective - Related to each other in such a way that one completes the other.
Spare and complementary are semantically related. In some cases you can use "Spare" instead an adjective "Complementary".
Spare
Spare adjective - Being over what is needed.
Complementary and spare are semantically related. Sometimes you can use "Complementary" instead an adjective "Spare".
Mutual synonyms
Cite this Source
Spare and Complementary. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/complementary/spare
Complementary & Spare. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/complementary/spare>.
Spare or Complementary. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/complementary/spare.
Google Ngram Viewer shows how "complementary" and "spare" have occurred on timeline