Synonyms of mettle in English:

mettle


See definition of mettle

noun

1‘Sir Charles, a man of mettle, did not surrender without a struggle’

SYNONYMS
spirit, fortitude, tenacity, strength of character, moral fibre, steel, determination, resolve, resolution, steadfastness, indomitability, backbone, hardihood, pluck, nerve, gameness, courage, courageousness, bravery, gallantry, valour, intrepidity, fearlessness, boldness, daring, audacity
British Dunkirk spirit
informal guts, grit, spunk
British informal bottle

2‘Frazer's disciple was of a very different mettle’

SYNONYMS
calibre, character, disposition, nature, temperament, temper, personality, make-up, stamp, kind, sort, variety, mould, kidney, grain