Conserve
Conserve verb - To avoid the wasteful or destructive use of.
Usage example: the need to conserve oil and other finite fossil fuels
Waste
Waste verb - To use up carelessly.
Usage example: he wasted his lottery winnings on booze-soaked nights with gold diggers
Common collocations
Cite this Source
Waste and Conserve. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/conserve/waste
Conserve & Waste. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/conserve/waste>.
Waste or Conserve. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/conserve/waste.
Google Ngram Viewer shows how "conserve" and "waste" have occurred on timeline