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出典:Wiktionary
出典:『Wiktionary』 (2024/11/30 15:31 UTC 版)
Alteration of dumbfound.
dumbfounder (third-person singular simple present dumbfounders, present participle dumbfoundering, simple past and past participle dumbfoundered)
From dumbfound + -er.
dumbfounder (plural dumbfounders)
dumbfounder