a word or phrase that must be spoken by a person in order to pass a guardthe password for the all-night rave will be changed next week
the password for the all-night rave will be changed next week
countersign, watchword, word
shibboleth, signsignalhint, indicationparole
in 1799
英语同义词词典收录了63618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。