undaunted

/ˌʌnˈdɔːntɪd ˌअन्ˈडॉन्‌टिड्/ adj. (not before a noun)] ( formal )

still enthusiastic and determined, despite difficulties, dangers and disappointments कठिनाई, संकट तथा निराशा के कारण काम जारी रखने के प्रति भयभीत या निरुत्साहित नहीं; अविचलित; निडर, निर्भीक

Undaunted by the weather conditions the mountaineers continued their journey to the peak.