名詞 repudiation:

1. rejecting or disowning or disclaiming as invalid
   同義詞：renunciation
2. refusal to acknowledge or pay a debt or honor a contract (especially by public authorities)
3. the exposure of falseness or pretensions
   同義詞：debunking

re.pu.di.a.tion

n.（名詞）
The act of repudiating or the state of being repudiated.
否定：否定的行為或被否定的狀態(tài)
The refusal, especially by public authorities, to acknowledge a contract or debt.
拒絕清償：拒絕，尤指政府當局拒絕承認某一合同或債務

【引伸】
repu.dia.tionist
n.（名詞）