KEY: Certainty.SYN: Assurance, demonstrableness, positiveness, unquestionableness,confidence, conviction.ANT: Dubiousness, precariousness, casualty, vicissitude,uncertainty, irregularity, hesitation, doubt, misgiving, conjecture,indecision.
英语同义词词典收录了7932条英语词条,基本涵盖了全部常用同义词或反义词的辨析及翻译,是英语学习的有利工具。