KEY: Secure \\v.\\.SYN: Fasten, guard, protect, assure, ensure, close, enclose, detain,arrest.ANT: Loosen, betray, surrender, expose, imperil, endanger, open,liberate, free.
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。