Meanings of dangerously dehydrated in English

If you are unable to drink fluids you can become dangerously dehydrated.

I was dangerously dehydrated by the time I arrived there.

After five nights out, he could barely walk, and was dangerously dehydrated and frostbitten.

He was dangerously dehydrated and suffering from highly contagious mononucleosis.

By then, everyone was so dangerously dehydrated that turning back to search would have put them all in danger.

Victims become dangerously dehydrated within a few hours and can die within 24 hours without oral or intravenous rehydration.

They are dangerously dehydrated.

Severe diarrhea in infants, children, or the elderly should get medical attention within three days, since they can rapidly become dangerously dehydrated.

I spent those school holidays dangerously dehydrated, not because of the 40°C days, but because I bawled every time the Muppet gang (temporarily) parted ways.