Translation of "strong-willed" into Portuguese

He was an illiterate, strong-willed, independent person in his mid-90’s, and she was in her mid-80’s.

O marido era analfabeto, resoluto e independente, de cerca de 95 anos, e a esposa tinha cerca de 85 anos.

She had a strong will, but at times would get depressed.

Era voluntariosa e decidida, ainda que, às vezes, sofresse de depressão.

You also taught me to be strong-willed and to think for myself.

Também me disse para ser determinada e pensar por mim mesma.