The meaning of Rimiest

adjective

Covered with frost.

Usage examples:

But a certain bitter aura also hung about the flower; the last in bloom among sere grasses, fallen …

adjective

Covered in frost (= the thin, white layer of ice that forms when the air temperature is below the freezing point of water, especially outside at night)

Usage examples:

I love those last days of autumn with the rimy hedgerows and pale sunlight., the writer conjures up…