Here's what rhymes with dehydrated.

Consider these alternatives

emaciated / dated disoriented / prevented nauseated / stated nauseous / office dehydration / operation vomited / divided unwell / well tired / desired decomposed / most debilitated / dated seasick / analgesic dysentery / very cramping / understanding sick / thick hypothermia / hernia agitated / stated acclimated / dated eaten / region scalded / accorded numb / some severely / nearly bruised / used intoxicated / created