"slightlier" meaning in English

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  "lang_code": "en",
  "pos": "adv",
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      "form_of": [
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          "extra": "more slightly",
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      "glosses": [
        "comparative form of slightly: more slightly"
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        "(rare, literary, dated) comparative form of slightly: more slightly"
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  "word": "slightlier"
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  "lang_code": "en",
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      "form_of": [
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          "extra": "more slightly",
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        "comparative form of slightly: more slightly"
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        "(rare, literary, dated) comparative form of slightly: more slightly"
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