WordNet sense 1 (thoroughly dried out):

dried-out

WordNet sense 2 (free from liquid or moisture; lacking natural or normal moisture or depleted of water; or no longer wet):

dry

WordNet sense 3 (preserved by removing natural moisture):

dehydrated, dried

WordNet sense 4 (prevented from decaying or spoiling and prepared for future use):

preserved

WordNet sense 5 (lacking vitality or spirit; lifeless):

arid, desiccate, desiccate

WordNet sense 6 (lacking in liveliness or animation):

dull