infallible

名词复数：infallibles

词形变化：

副词: infallibly | 名词: infallibility |

同义词：

reliable | right | unerring | sure | dependable | unfailing | foolproof | watertight | sound | fail-safe | sure-fire | trustworthy | perfect | flawless | correct | exact | accurate | faultless |

反义词：

fallible |

词义辨析：

同义:

a.确实的

reliable

sure

unerring

right