Also Inflected form of freeze-dry freeze-dried free·zed·ried uncommon adjective 1. used of tissue or blood or serum or other biological substances; dried by freezing in a high vacuum Synonymslyophilizedlyophilised Similarpreserved 2. preserved by freezing and drying in a vacuum “freeze-dried coffee” Similarpreserved WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.