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insidious SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 60316 】 【意味】 "[形容詞] working or spreading in a hidden and usually injurious way [例] glaucoma is an insidious disease [例] a subtle poison [例] The insidious spread of the disease was a cause for concern. [例] The disease is insidious. [例] They believed that the spread of the disease was insidious. [意味] 潜行性の, 陰険な, 狡猾な, わずか, 悪質な, 危険な, こうかつな ; [同義語] subtle, pernicious ; [類似語] harmful ; [派生] toxicity, insidiousness, perniciousness ; [同義語群] 01162406-a [形容詞] beguiling but harmful [例] insidious pleasures [例] The insidious disease was hard to detect. [例] The insidious poison took hold of the victim. [例] They believed that the poison was insidious. [意味] 潜行性の, 陰険な, 悪質な, 陰湿な, 陰謀の, 潜伏性の ; [類似語] seductive ; [派生] insidiousness ; [同義語群] 02097884-a [形容詞] intended to entrap [例] The insidious man tried to trap the woman. [例] They tried to catch the burglar with an insidious trap. [意味] 罠の, 油断ならない, 危険な ; [類似語] dangerous, unsafe ; [派生] insidiousness ; [同義語群] 02060106-a"