having no qualities that would render it valuable or useful; "the drill sergeant's intent was to convince all the recruits of their worthlessness" それを重要または有益なものにするような特質をもっていないこと。
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【下位】 ineptitude or awkwardness as a consequence of age or lack of practice; "his rustiness showed when he was asked to speed up" 年齢、あるいは練習不足ゆえの愚劣、あるいは不器用さ。
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