Needed
Supplemental
Supplemental adjective - Available to supply something extra when needed.
Usage example: the new program will provide supplemental health insurance to thousands of workers
Needed is an antonym for supplemental.
Both words in one sentence
-
He has been statted-out in Street Legends Supplemental (that's the second Street Legends book, BTW), though his list of Knowledge skills is stated as being only partial and for his spells, it simply says that he has any spell available to him when needed.
Source: Tabletop Game / Shadowrun -
John Wayne was a very heavy smoker throughout his life (at one point up to six packs of cigarettes a day!) and in 1964 nearly died of lung cancer (one lung was removed and The Duke needed supplemental oxygen for the rest of his life).
Source: For Want of a Nail
Cite this Source
Supplemental and Needed. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/needed/supplemental
Needed & Supplemental. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/needed/supplemental>.
Supplemental or Needed. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/needed/supplemental.
Google Ngram Viewer shows how "needed" and "supplemental" have occurred on timeline