Also found in: Encyclopedia.
1. military aviation No visual confirmation of another aircraft (especially an enemy) has yet been made; no information available at this time. Ground control: "Pilot, be aware that you have traffic at 11 o'clock." Pilot: "Copy that, no joy so far."
2. By extension, no luck; I've been unsuccessful thus far. Primarily heard in UK. I've been having no joy finding this book I need for class tomorrow.
3. Literally, no pleasure or enjoyment. I take no joy in making staff redundant, but it's part of being a manager, I'm afraid.