79.un-

① 表示“不，无，非，没有”

unreal不真实(un+real真实的)

unequal不平等的(un+equal平等的)

unfortunate不幸的(un+fortunate幸运的)

unabashed不害臊的(un+abashed难为情的)

unassuming不摆架子的(un+assuming自以为是的)

uncommitted不承担责任的(un+committed担责任的)

unscrupulous肆无忌惮的(un+scrupulosu小心的)

untoward不幸的;逆境的(un+toward顺利的→不顺的)

unconditional无条件的(un+conditional有条件的)

unlimitted无限的(un+limited有限的)

unambitious无野心的(un+ambitious有雄心的)

unconscionable无节制的(un+conscionabe明智的)

unfailing无尽的，无穷的(un+failing有尽头;失败的→没有尽头的)

unofficial非官方的(un+official官方的)

unjust非正义的(un+just公正的)

unworldly非尘世的(un+worldly世俗的)

uneducated未受教育的(un+educated有教养的)

uncivilized未开化的(un+civilized文明的)

undecided未决定的(un+decided决定的)

unalloyed未掺杂的(un+alloy合金，混合+ed→没混合的)

uncharted图上没标明的(un+chared图上标明的)

② 表示“打开，解开，弄出”

unlock开锁(un+lock锁)

unbind解开(un+bind捆住)

unbutton解开钮扣(un+botton钮扣)

uncover揭开盖子(un+cover盖子)

undress脱衣服(un+dress衣服)

untomb掘墓(un+tomb墓)

unearth从地下挖出(un+earth土地)

unbosom吐露)(un+bosom胸→打开心胸→吐露)

unravel解开;拆散(un+ravel纠缠)