1. superlative form of mizzly; characterized by fine, light rain or drizzle; damp and misty
Usage: chiefly British; informal

Examples

• The mizzliest days of autumn made the countryside look gray and unwelcoming.
• Of all the weeks we visited Scotland, that one was the mizzliest.
• The mizzliest weather kept most people indoors.
• She complained that the mizzliest mornings always ruined her hair.
• The mizzliest part of the year in that region is late fall.