› ECONOMICS, FINANCE the process of becoming worse, lower, or less: Several ministers expressed their worry at the euro's slide.a slide in sth The last few months have seen a sharp slide in voter confidence.a slide of sth The corporation's shares ended the day at 509p, a slide of 13p. a downward/sharp/steady slidehalt/stop/reverse a slide The French central bank yesterday succeeded in reversing the slide in the franc.
› MARKETING one of a series of computer screens of information shown in a presentation: The final slide showed two graphs.