← BackshareGuessunfrightened/ʌnˈfraɪtnd/adjectiveNot afraid; fearless or calm in the face of danger or threat.The child remained unfrightened during the thunderstorm.She was unfrightened by the aggressive dog.The explorer was unfrightened by the dark cave.SynonymsfearlessundauntedbraveAntonymsfrightenedscaredterrified