KEY: Annul.SYN: Cancel, obliterate, make_void, quash, nullify, revoke, rescind,destroy, set_aside, abrogate, extinguish, abolish, repeal.ANT: Foster, protect, conserve, confirm, maintain, enact, re-enact,institute, establish.
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。