"insidiously" meaning in 英語

{
  "categories": [
    {
      "kind": "other",
      "name": "テンプレート:pronに引数が用いられているページ",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語 副詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語 国際音声記号あり",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "英語_接尾辞\"-ly\"",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "insidious + 接尾辞 \"-ly\""
  ],
  "forms": [
    {
      "form": "more insidiously"
    },
    {
      "form": "most insidiously"
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "副詞",
  "senses": [
    {
      "glosses": [
        "悪だくみして、陰険に。"
      ],
      "id": "ja-insidiously-en-adv-LMFdVeXT"
    }
  ],
  "sounds": [
    {
      "ipa": "ɪnˈsɪdiəsli"
    }
  ],
  "word": "insidiously"
}

{
  "categories": [
    "テンプレート:pronに引数が用いられているページ",
    "英語",
    "英語 副詞",
    "英語 国際音声記号あり",
    "英語_接尾辞\"-ly\""
  ],
  "etymology_texts": [
    "insidious + 接尾辞 \"-ly\""
  ],
  "forms": [
    {
      "form": "more insidiously"
    },
    {
      "form": "most insidiously"
    }
  ],
  "lang": "英語",
  "lang_code": "en",
  "pos": "adv",
  "pos_title": "副詞",
  "senses": [
    {
      "glosses": [
        "悪だくみして、陰険に。"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "ɪnˈsɪdiəsli"
    }
  ],
  "word": "insidiously"
}