Conserve
Conserve verb - To avoid the wasteful or destructive use of.
Usage example: the need to conserve oil and other finite fossil fuels
Expend
Expend verb - To make complete use of.
Usage example: settlers had to be sure not to expend their supply of firewood before the end of the long winter
Common collocations
| effort | conserve effort | expend effort |
| energy | conserve energy | expend energy |
| stamina | conserve stamina | expend stamina |
| heat | conserve heat | expend heat |
| Other words: power, men, mass, resources, time, use, money, supplies, blood, magic, ammunition, ammo, fuel, mana, munitions, bullets, missiles, lives, amounts. | ||
Cite this Source
Expend and Conserve. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/conserve/expend
Conserve & Expend. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/conserve/expend>.
Expend or Conserve. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/conserve/expend.
Google Ngram Viewer shows how "conserve" and "expend" have occurred on timeline