0 (of butter, oil, etc.) tasting or smelling unpleasant because of not being fresh --
1 (of food containing a fat such as butter or oil) tasting or smelling unpleasant because it is not fresh --
For example, even though meat is held under refrigeration or in a frozen state, the poly-unsaturated fat will continue to oxidize and slowly become rancid.
How much has gone rancid?
That would be far better than having butter mountains, which tend to go rancid if we do not sell them quickly at a ludicrously and offensively low price.
He referred to rancid butter and nostalgia.
The cake was said to be rancid.
It can also result in a cooked texture or rancid flavours of fats.
I could not agree that that particular consignment has gone rancid.
But the locust is, of course, a more refined taste; but how good it can be when eaten fried in rancid butter.