obsolete
过去式：obsoleted
过去分词：obsoleted
现在进行时：obsoleting
词形变化：
副词: obsoletely | 名词: obsoleteness | 动词过去式: obsoleted | 动词过去分词: obsoleted | 动词现在分词: obsoleting | 动词第三人称单数: obsoletes |
词义辨析：
同义:
a.陈旧的; 过时的
extinct
dated
outmoded
discontinued
antiquated
old-fashioned
同义参见:
stale1
back
out
old
反义参见:
new