Solution:Undaunted (Adjective)=निडर, निर्भीक (not intimidated or discouraged by difficulty or danger, brave and courageous: still determined and enthusiastic).Discouraged (Adjective) =हतां त्साहित (having lost confidence or enthusiasm: disheartened).
Sentence arrangement:Undaunted by the cold and the rain people danced until 3 a.m. I think he felt discouraged because of all the criticism he had received.
Impalpable (Adjective) =अस्पृश्य (unable to be felt by touch).
Emblazoned (Adjective) =अलंकृत (marked or shown in order to be very noticeable).