unimportant

a.不重要的，无意义的，微不足道的

UNICEF, unicellular, unicorn, unidentified, unidimensional, unidirectionally, unification, unified, uniform, uniformed, uniformity, uniformly, unify, unilateral, unilaterally, unimaginative, unimpassioned, unimpeachable, unimpeachably, unimpeded, unimpressed, unimpressive, uninformative, uninformed, uninhabitable, uninhabited, uninspired, uninspiring, unintelligible, unintelligibly, unintended, unintentional, uninterested, uninteresting, uninviting, union, unionism, unionist, unionization, unionisation, unionize, unionise,