unapprehensive

/ˌʌnæprɪˈhɛnsɪv/
adjective
  1. Not worried or anxious about something that might happen; calm and unconcerned.
    • The hikers remained unapprehensive even as the weather turned stormy.
    • His unapprehensive attitude during the job interview impressed the hiring manager.
    • She was surprisingly unapprehensive about the difficult exam, having studied thoroughly.
What does "unapprehensive" mean? | whatsthatwordmean | whatsthatwordmean