Rancid – stale or rotten; having an unpleasant smell or taste because of decomposition
They ran all the way around Sydney (rancid) and smelt a bit stale by the time they finished.
Examples of rancid in a sentence
The food was rancid – it had been left out of the fridge for days and smelt awful.
The inmates were fed rancid meat which made them retch.
The rancid stench was so overwhelming I thought I was going to faint.