Green’s Dictionary of Slang

dicey adj.

[gambling imagery]

(orig. RAF jargon) risky, dangerous, dubious.

[Aus]‘Neville Shute’ Town Like Alice 303: He [...] made a tight, dicey turn round in the gorge with about a hundred feet to spare.
[UK]C. MacInnes Absolute Beginners 68: At the same, he does like you to say you’re glad to see him once again, so it’s all a trifle dicey.
[US]K. Cook Wake in Fright [ebook] ‘Joe,’ he said, ‘your rifle’s more or less pointing at me.’ ‘Yeah.’ Joe was polite, but not concerned. ‘You’re sure it’s not loaded?’ ‘Yeah, it’s loaded.’ ‘Well— ah— isn’t it a little dicey?’.
[UK]J.P. Carstairs Concrete Kimono 188: I blinked [...] trying to read what was going on in that highly dazzling but highly dicey mind.
[Aus](con. 1941) R. Beilby Gunner 15: He wasn’t keen to have Yorgo with him in a dicey situation.
[UK]J. Sullivan ‘Christmas Crackers’ Only Fools and Horses [TV script] No the belly’s a bit dicey. Sort of burning pains!
[Aus]R.G. Barrett Boys from Binjiwunyawunya 11: Having to order a hit, chase up a defaulting punter or sort out a dicey cop or politician.
[US](con. early 1950s) J. Ellroy L.A. Confidential 318: Ellis Loew has an injunction prepared should things get dicey.
[US]J. Stahl I, Fatty 122: To know how spooked Zukor was, you have to know how dicey the whole film business was looking.
[US]A. Steinberg Running the Books 78: I did learn an important lesson during one particularly dicey seagulling session.