affirm
过去式：affirmed
过去分词：affirmed
现在进行时：affirming
词形变化：
形容词: affirmable | 副词: affirmably | 名词: affirmer | 动词过去式: affirmed | 动词过去分词: affirmed | 动词现在分词: affirming | 动词第三人称单数: affirms |
同义词：
assert | confirm | state | pronounce | support | sustain | avow | verify | encourage | uphold | insist | establish | announce | acknowledge | certify | endorse | ratify | declare | testify | insure | swan | maintain | allege | swear | aver | claim | corroborate | substantiate |
反义词：
词义辨析：
同义:
vt.断言; 确认; 证实
declare
assert
ratify
confirm
endorse
state
pronounce
certify
同义参见:
insure
testify
反义:
vt.vi.断言; 坚称; 证实
deny
negate