What it means
Zilch means absolutely nothing, zero, the grand total of a big fat nought. Use it for money, results, chances, whatever, when there’s been no payoff at all. It’s a punchy little word with a comic snap, like shutting a till on empty. Handy when none feels too polite and nothing takes too long.
Usage examples
"Checked my banking app after rent and a cheeky kebab. Balance said zilch, so it’s beans on toast till payday, mate."
"I checked the lottery ticket expecting at least a tenner and won zilch, not even a free go."
"We searched the whole house for the spare key and found zilch, ended up climbing through the window."
"I did three extra shifts, opened my payslip, and got zilch after tax. Absolute daylight robbery."
"Asked the group chat who was actually bringing snacks for the road trip and got zilch back but tumbleweed energy."
Where it comes from
Zilch showed up in American English in the early 1900s as a snappy slang word for zero or nothing at all. Its exact source is uncertain, but the word itself is well established in real usage and spread widely because it sounds funny, sharp, and final, which makes bad news land with a little comic bounce.