'dehydrated' definitions:

Definition of 'dehydrated'

From: WordNet
adjective
Suffering from excessive loss of water from the body; "fever resulted from becoming dehydrated"; "was dehydrated after the marathon"
adjective
Preserved by removing natural moisture; "dried beef"; "dried fruit"; "dehydrated eggs"; "shredded and desiccated coconut meat" [syn: dried, dehydrated, desiccated]

Definition of 'dehydrated'

From: GCIDE
  • dehydrated \dehydrated\ adj.
  • 1. thoroughly dried out.
  • Syn: desiccated, dried-out. [WordNet 1.5]
  • 2. suffering from fluid deprivation; as, to become deydrated from overexertion on a hot day. [WordNet 1.5]