"slackening" meaning in English

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      "expansion": "slackening",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "slacken"
        }
      ],
      "glosses": [
        "present participle and gerund of slacken"
      ],
      "id": "en-slackening-en-verb-wRzFyhjk",
      "links": [
        [
          "slacken",
          "slacken#English"
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      "tags": [
        "form-of",
        "gerund",
        "participle",
        "present"
      ]
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  ],
  "word": "slackening"
}

{
  "forms": [
    {
      "form": "slackenings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slackening (plural slackenings)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "_dis": "92 8",
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      "examples": [
        {
          "ref": "1861, United States. War Dept, U.S. Infantry Tactics, page 124:",
          "text": "If the following guide lose his distance from the one leading (which can only happen by his own fault), he will correct himself by slightly lengthening or shortening a few steps, in order that there may not be sudden quickenings or slackenings in the march of his platoon.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The act by which something slackens; loss of speed, tautness, etc."
      ],
      "id": "en-slackening-en-noun-5GWOx-LB",
      "links": [
        [
          "slacken",
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  "word": "slackening"
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{
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      "expansion": "slackening",
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  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "form_of": [
        {
          "word": "slacken"
        }
      ],
      "glosses": [
        "present participle and gerund of slacken"
      ],
      "links": [
        [
          "slacken",
          "slacken#English"
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      "tags": [
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        "gerund",
        "participle",
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  ],
  "word": "slackening"
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{
  "categories": [
    "English countable nouns",
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    "English lemmas",
    "English non-lemma forms",
    "English nouns",
    "English verb forms",
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    "Pages with entries"
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  "forms": [
    {
      "form": "slackenings",
      "tags": [
        "plural"
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      "expansion": "slackening (plural slackenings)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1861, United States. War Dept, U.S. Infantry Tactics, page 124:",
          "text": "If the following guide lose his distance from the one leading (which can only happen by his own fault), he will correct himself by slightly lengthening or shortening a few steps, in order that there may not be sudden quickenings or slackenings in the march of his platoon.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The act by which something slackens; loss of speed, tautness, etc."
      ],
      "links": [
        [
          "slacken",
          "slacken"
        ]
      ]
    }
  ],
  "word": "slackening"
}