What does desiccated mean?
Desiccated is an adjective meaning thoroughly dried out — stripped of all moisture. Its most familiar everyday appearance is culinary, as in desiccated coconut, but the word also describes preserved biological specimens, dried chemical substances, and anything else from which water has been deliberately or naturally removed. Beyond the literal sense, desiccated carries a vivid figurative use: writing, speech, or even a person's manner can be called desiccated when they feel arid, lifeless, and drained of vitality. The word derives from the Latin desiccare, 'to dry up completely', rooted in siccus, 'dry'. It is somewhat formal or technical in register, favoured in scientific, medical, and food-labelling contexts, and it pairs closely with related forms such as desiccation (the process), desiccant (a drying agent), and desiccator (a container for keeping things dry). Choosing desiccated over the simpler 'dried' signals completeness and precision — nothing merely damp-reduced, but dry through and through.
Thoroughly dried out; deprived of moisture. Figuratively, dry and lacking vitality.
"A desiccated husk was all that remained of the once-lush plant."
Common in technical and culinary contexts; the figurative sense is literary.
Past tense and past participle of desiccate: to remove moisture from something, or to become thoroughly dry.
"The hot desert winds desiccated the crops within days."
That bag of desiccated coconut in your cupboard carries a word straight from Latin 'siccus', meaning dry — the same root behind 'desiccant' packets that keep your electronics safe.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of desiccated
'Desiccated' comes from the past participle of the Latin verb desiccare, formed from de- ('thoroughly') plus siccare ('to make dry'), which itself derives from the adjective siccus, meaning 'dry'. English adopted the word in the early modern period, alongside its relatives desiccate and desiccation. It shares this dry-rooted ancestry with rarer terms like siccative, a substance that promotes drying in paints and varnishes.
Related word forms
How desiccated is actually used
'Desiccated' is somewhat formal or technical in tone, appearing frequently in scientific, culinary, and medical contexts. In British English it is the standard term for finely dried coconut ('desiccated coconut'), whereas American English more often uses 'shredded' or 'flaked' coconut. The figurative use, describing prose or speech as dry and lifeless, is literary and less common.
Easily confused with desiccated
Dehydrated typically refers to water loss in living organisms or food by a specific process, while desiccated means dried completely and thoroughly, often to the point of brittleness.