Mickle and Tidy sum

Mickle noun - (often followed by `of') a large number or amount or extent.

Tidy sum is a synonym for mickle. In some cases you can use "Tidy sum" instead a noun "Mickle".

Tidy sum noun - (often followed by `of') a large number or amount or extent.

Mickle is a synonym for tidy sum. You can use "Mickle" instead a noun phrase "Tidy sum".