unspeakableadj.
英 ʌn'spiːkəb(ə)l | 美 ʌn'spikəbl
中文adj. 无法形容的；不能以言语表达的；坏透了的
词根词源
unspeakable (adj.)c. 1400, "inexpressible," from un- (1) "not" + speakable (see speak (v.)). Meaning "indescribably bad or wicked" is recorded from mid-15c. Related: Unspeakably.
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