unjustifiably
🇺🇸
/ˌʌnˌdʒʌstɪˈfaɪəbli/
🇬🇧
/ˌʌnˌdʒʌstɪˈfaɪəbli/
without a good reason
She was criticized unjustifiably for her honest opinion.
她因诚实的意见而受到不合理的批评。