preserve with sugar; "Mom always conserved the strawberries we grew in the backyard"
use cautiously and frugally; "I try to economize my spare time"; "conserve your energy for the ascent to the summit"
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"
keep constant through physical or chemical reactions or evolutionary change; "Energy is conserved in this process"
argue or speak in defense of; "She supported the motion to strike"
state or assert; "He maintained his innocence"
fight against or resist strongly; "The senator said he would oppose the bill"; "Don't fight it!"
be on the defensive; act against an attack
protect against a challenge or attack; "Hold that position behind the trees!"; "Hold the bridge against the enemy's attacks"
protect or fight for as a champion
be the defense counsel for someone in a trial; "Ms. Smith will represent the defendant"