Unintimidatable

In this regard it is noteworthy that one aim of British Indian officials was to prevent the Chinese appointing unintimidatable British members of the Chinese Inspectorate of Customs to customs and other posts on the India-Tibet trade routes.

The first impression he must have made on the heathen chieftains was that of a man unintimidatable and devoid of fear.

He trusted her, no doubt because be knew she- was outspoken, honest, and unintimidatable at a time when he was afraid everyone else would tell him what they thought he wanted to hear.