impenetrableness查询结果如下：
词性:|adjective|
例句1. the ships had impenetrable armoured plating
例句2. a dark, impenetrable forest
例句3. an impenetrable clique
名词 变体/同根词
|adjective|
1.(of matter) incapable of occupying the same space as other matter at the same time.
2.Impossible to pass through or enter.
‘a dark, _impenetrable_ forest’
‘But the circle of outraged nobles had made an almost _impenetrable_ wall surrounding the king and the prince.’
3.Impossible to understand.
‘her expression was _impenetrable_ ’
‘ _impenetrable_ jargon’
impenetrableness与其他单词对比
独上高台望四海 手揽云月傍天飞， 落叶重重已十月 归鸟凄凄啼心扉。
词性:|adjective|
‘a dark, _impenetrable_ forest’
