impossibleness

词形变化：

副词: impossibly |

同义词：

unthinkable | inconceivable | unimaginable | absurd | hopeless | out of the question | insufferable | irresolvable | irresoluble | unfeasible | impracticable | unattainable | unworkable | impractical | unbearable | incredible | terrible | dreadful | intolerable | difficult | awkward | unmanageable | unacceptable | unsufferable |

反义词：

possible |