bn:00085645v
Verb Concept
EN
conserve  husband  economize  economise
EN
Use cautiously and frugally WordNet 3.0
Definitions
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EN
To manage or administer carefully and frugally; use to the best advantage; economise. Wiktionary
EN
I try to economize my spare time WordNet 3.0 & Open English WordNet
Conserve your energy for the ascent to the summit WordNet 3.0 & Open English WordNet
WordNet 3.0 & Open English WordNet
Wiktionary
EN