"estranger" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "estrange",
        "3": "-er",
        "id2": "agent noun"
      },
      "expansion": "estrange + -er",
      "name": "affix"
    }
  ],
  "etymology_text": "From estrange + -er.",
  "forms": [
    {
      "form": "estrangers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "estranger (plural estrangers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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        {
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          "name": "English terms suffixed with -er (agent noun)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
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        },
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        },
        {
          "_dis": "1 26 64 6 3",
          "kind": "other",
          "name": "Middle French entries with incorrect language header",
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            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "2 5 87 4 2",
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          "source": "w+disamb"
        },
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          "_dis": "1 4 89 3 2",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "One who estranges."
      ],
      "id": "en-estranger-en-noun-Aqt-ym1n",
      "links": [
        [
          "estrange",
          "estrange"
        ]
      ],
      "synonyms": [
        {
          "word": "alienator"
        }
      ]
    }
  ],
  "word": "estranger"
}

{
  "categories": [
    "Middle French adjectives",
    "Middle French countable nouns",
    "Middle French entries with incorrect language header",
    "Middle French lemmas",
    "Middle French masculine nouns",
    "Middle French nouns",
    "Middle French terms derived from Old French",
    "Pages with 3 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "estrange",
        "3": "-er",
        "id2": "agent noun"
      },
      "expansion": "estrange + -er",
      "name": "affix"
    }
  ],
  "etymology_text": "From estrange + -er.",
  "forms": [
    {
      "form": "estrangers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "estranger (plural estrangers)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "One who estranges."
      ],
      "links": [
        [
          "estrange",
          "estrange"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "alienator"
    }
  ],
  "word": "estranger"
}