faceless

词形变化：

动词过去式: face-hardened | 动词过去分词: face-hardened | 动词现在分词: face-hardening | 动词第三人称单数: facehardens |

同义词：

impersonal | unidentified | featureless | anonymous | nameless | unnamed | unidentifiable | unknown | undisclosed | mysterious | unrevealed | characterless |

反义词：

faced |