undaunted

adj. 不屈不挠的，无畏的

unconvivial, uncooperative, uncorrelated, uncouple, uncouth, uncouthness, uncover, uncovered, uncritical, uncritically, uncrossed, uncrowned, uncrumpled, UNCTAD, unction, unctuous, unctuously, unctuousness (also unction), uncurl, uncut, undeceive, undecided, undeclared, undefended, undefined, undemanding, undemonstrative, undeniable, undeniably, under, under arms, under control, under the charge of, under the heel of, under the order of, under way, under-, under-secretary, under-sexed, under-side,