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

General (1 matching dictionary)

1. put on their mettle: TheFreeDictionary.com

Business (1 matching dictionary)

2. put on their mettle: Legal dictionary

Miscellaneous (1 matching dictionary)

3. put on their mettle: Idioms

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