Synonyms for preserve

verb

1. To guard

   protect, shield, save; see defend 2.

2. To maintain

   keep up, care for, conserve; see maintain 3.

3. To keep

   can, conserve, process, save, put up, put down, souse, store, cure, bottle, do up, season, salt, pickle, put in brine, put in vinegar, pot, tin, dry, sun-dry, smoke, corn, dry-cure, smoke-cure, freeze, quick freeze, keep up, cold-pack, refrigerate, dehydrate, seal up, kipper, marinate, evaporate, embalm, mummify, mothball, fill.

   Antonyms waste*, allow to spoil, let spoil.