strong–mind·ed 
/ˈstrɑ:ŋˈmaɪndəd/ adjective
/ˈstrɑ:ŋˈmaɪndəd/ adjective [more strong–minded; most strong–minded] : having very strong and definite beliefs and opinions : not easily influenced
▪ a strong-minded woman ▪ He is the most strong-minded child I have ever known.
▪ a strong-minded woman ▪ He is the most strong-minded child I have ever known.
— strong–mind·ed·ly adverb
— strong–mind·ed·ness noun [noncount]
