We found 3 dictionaries that define the word putting on their mettle:

General (1 matching dictionary)

1. putting on their mettle: TheFreeDictionary.com

Business (1 matching dictionary)

2. putting on their mettle: Legal dictionary

Miscellaneous (1 matching dictionary)

3. putting on their mettle: Idioms

▸ Words similar to putting on their mettle ▸ Usage examples for putting on their mettle ▸ Idioms related to putting on their mettle ▸ Wikipedia articles (New!) ▸ Words that often appear near putting on their mettle ▸ Rhymes of putting on their mettle ▸ Invented words related to putting on their mettle