Définitions
1.NounA reduction of a rating, as a financial or credit rating.
2.NounA downhill gradient on a road or railway.
3.NounA reduction in quality; a descent towards an inferior state.
4.VerbTo place lower in position."The stock was downgraded from ‘buy’ to ‘sell’."
5.VerbTo reduce in complexity, or remove unnecessary parts; to dumb down.
6.VerbTo disparage.
7.Verbto reduce the official estimate of a storm's intensity.
8.VerbTo revert software back to an older version.