perfidious

perfidious

词形变化：

副词: perfidiously |

同义词：

faultless | ideal | improve | refine | absolute | complete | hone | tighten up | achieve | finish | finalize | precise | exact | flawless | right | accurate | correct | pure | intact | expert | excellent | strict | finished | proper | faithful | unconditional | definitive | fulfil | mint | consummate | thoroughgoing | gross | double-dyed | perfective | unadulterated | perfect tense | arrant | stark | utter | everlasting | sodding | staring | better |

反义词：

imperfect |

词义辨析：

同义参见:

black  slippery  faithless  disloyal  dishonorable