What it means
You’re in a pickle when you’re stuck in an awkward situation and none of the options look great. It’s usually said with a bit of humour, like you’ve double-booked yourself or talked big and now you’ve got to deliver. Mild, old-school, and handy when you want to admit you’re in trouble without sounding dramatic.
Usage examples
"I said I’d babysit my niece tonight, then I bought gig tickets for the same time. Now I’m in a proper pickle without upsetting anyone."
"I told my boss the report was ready, now I'm in a right pickle because I haven't even started it."
"We ended up in a pickle at the airport, two bags, three kids and a gate that changed twice."
"I told Mum I'd be home for dinner, then my train got cancelled and my phone died. I'm in a bit of a pickle now."
"We're in a right pickle here, the card's declined, the petrol light's on, and nobody's got cash."
Where it comes from
This one’s old old. English has had in a pickle since the late 16th century for being in a tricky spot, and Shakespeare helped keep it alive with a famous use in The Tempest. Why pickle came to mean a mess isn’t fully nailed down, but the idiom itself is absolutely established.