de·fy/dɪ`faɪ; dɪˈfaɪ/ v 1 [T] to refuse to obey someone or something 蔑视，违抗: He defied his father's wishes and joined the army. 他违背父亲的愿望去参军。 2 defy description/belief/ logic etc to be impossible to describe, believe, explain etc 无法描述/不能相信/违反逻辑等: The place just defies description. 这地方简直让人无法形容。