1. (

• conserve

) keep constant through physical or chemical reactions or evolutionary change; "Energy is conserved in this process" ;

2. (

• conserve ,
• preserve ,
• maintain ,
• keep_up

) keep in safety and protect from harm, decay, loss, or destruction; "We preserve these archeological findings"; "The old lady could not keep up the building"; "children must be taught to conserve our national heritage"; "The museum curator conserved the ancient manuscripts" ;

3. (

• conserve ,
• husband ,
• economize ,
• economise

) use cautiously and frugally; "I try to economize my spare time"; "conserve your energy for the ascent to the summit" ;

4. (

• conserve

) preserve with sugar; "Mom always conserved the strawberries we grew in the backyard" ;