1. noun, slang A drunkard. That old rummy hasn't held down a job for longer than a week in the last 10 years. He says the alcohol helps him sleep, but I worry he's turning into something of a rummy.

2. adjective, slang Odd, peculiar, or strange. Primarily heard in UK. It seemed a bit rummy, a married man escorting such a young lady to a social occasion like that, but I'm not one to pry into matters that don't concern me. Try turning the dial, Stephen, there's something rummy with the signal.