conserve
[verb]
Synonyms: protect, hoard, husband, keep, nurse, preserve, save, store up, take care of, use sparingly

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Contrasted words: dissipate, fritter, squander, waste
Related Words: keep up, maintain, support, sustain

[TahlilGaran] English Synonym Dictionary ▲

I. con‧serve¹ /kənˈsɜːv $ -ɜːrv/ verb [transitive]
[Date: 1300-1400; Language: Old French; Origin: conserver, from Latin conservare, from com- ( ⇒ COM-) + servare 'to keep, guard']

1. to protect something and prevent it from changing or being damaged Synonym : preserve ⇒ conservation:
We must conserve our woodlands for future generations.
efforts to conserve fish stocks

2. to use as little water, energy etc as possible so that it is not wasted ⇒ conservation:
the need to conserve energy

[TahlilGaran] Dictionary of Contemporary English ▲

II. con‧serve² /ˈkɒnsɜːv $ ˈkɑːnsɜːrv/ noun [uncountable and countable] formal
fruit that is preserved by being cooked with sugar Synonym : jam:
strawberry conserve

[TahlilGaran] Dictionary of Contemporary English ▲