not existing; not real a non-existent problem ‘How's your social life?’ ‘Non-existent, I'm afraid.’ Hospital beds were scarce and medicines were practically non-existent. compare existentExtra examples Services for customers on public transport are becoming non-existent. The hotel turned out to be completely non-existent. Typewriters have become almost non-existent in offices. How’s your social life? Non-existent, I’m afraid. Hospital beds were scarce and medicines were practically non-existent. She was claiming welfare for two non-existent children. They would waste their time worrying about non-existent dangers.