1.+ woman, animal不生育的；不孕的；+ tree, plant 不结果实的
He prayed that his barren wife would one day have a child.他祈祷不育的妻子将来会怀个孩子。
a three-year-old barren mare一匹不育的3岁母马
2.(unable to support crops)+ hills, desert, mountains贫瘠的；荒芜的；不毛的
3.(dull)沉闷无趣的；枯燥乏味的；没有吸引力的
4.(unproductive)+ period, year不出成绩的；无效果的；无收益的
5.barren of sth
(devoid)全无某物的；缺乏某物的
His speech was barren of wit.他讲话一点也不风趣。
The room was austere, nearly barren of furniture or decoration.房间很朴素, 几乎没有家具和装饰。
6.+ rock strata没有化石的