preservation

1 the act or activity of keeping something in an existing and usually satisfactory condition each curator is responsible for the preservation of the works of art within his or her department Synonyms care and feeding, conservation, conserving, keep, maintenance, preserving, sustentation, upkeepRelated Words conservancy; support, sustaining; care, custody, guardianship; defense, guarding, protection, safeguarding, safekeepingNear Antonyms dereliction, disregard, ignoring, inattention, neglect, negligence; damage, demolition, destruction, harm, hurt, injury, ruin, ruination

2 the careful maintaining and protection of something valuable especially in its natural or original state the preservation of the tropical rainforests is a global responsibility Synonyms conservancy, conservation, sustentationRelated Words care, maintenance, upkeep; salvation, saving; defense, guardianship, guarding, keeping, protection, safeguarding, safekeeping; economy, husbandry, managementNear Antonyms dereliction, ignoring, neglect, squandering, waste; destruction, ruin; damage, harm, hurt, injury