unspeakable

词形变化：

副词: unspeakably | 名词: unspeakableness |

同义词：

exacting | unselfish | profuse | munificent | unstinting | merciless | harsh | cruel | unforgiving | severe | hard | unkind | excessive | unrelenting | generous | openhanded | liberal | charitable | bountiful | lavish | overgenerous | unstinted | too-generous |

反义词：

sparing |

词义辨析：

同义参见:

alarming

indescribable

frightful

black