| Word | Definitions | Synonyms |
|---|---|---|
| mettle | (noun) the courage to carry on | Synonyms: heart, nerve, spunk |
| mettlesome | (adjective) willing to face danger | Synonyms: game, gamey, gamy, gritty, spirited, spunky |
| (adjective) having a proud and unbroken spirit | - | |
| mettlesomeness | (noun) courageous high-spiritedness | - |