| 单词 | lackadaisical |
| 释义 | Word Frequency lackadaisical(ˌlækəˈdeɪzɪkəl) adjective 1. lacking vitality and purpose 2. lazy or idle, esp in a dreamy way Derived forms lackadaisically (ˌlackaˈdaisically) adverb lackadaisicalness (ˌlackaˈdaisicalness) noun Word origin C18: from earlier lackadaisy, extended form of lackaday |
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