"gaslighter" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms suffixed with -er",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "gas",
        "2": "lighter"
      },
      "expansion": "gas + lighter",
      "name": "compound"
    },
    {
      "args": {
        "1": "gaslight",
        "2": "er"
      },
      "expansion": "gaslight + -er",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "gas + lighter(person who lights gas)\ngaslight + -er(person who gaslights)",
  "forms": [
    {
      "form": "gaslighter",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "gaslighters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "A gaslighter is someone who lights gas."
      ],
      "id": "simple-gaslighter-en-noun-x3I3TSGD",
      "raw_tags": [
        "countable"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "A gaslighter is someone who gaslights. Usually this means someone who makes others doubt their own reality or sanity."
      ],
      "id": "simple-gaslighter-en-noun-4HPwFS74",
      "raw_tags": [
        "countable"
      ]
    }
  ],
  "word": "gaslighter"
}

{
  "categories": [
    "Compound terms",
    "Terms suffixed with -er"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "gas",
        "2": "lighter"
      },
      "expansion": "gas + lighter",
      "name": "compound"
    },
    {
      "args": {
        "1": "gaslight",
        "2": "er"
      },
      "expansion": "gaslight + -er",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "gas + lighter(person who lights gas)\ngaslight + -er(person who gaslights)",
  "forms": [
    {
      "form": "gaslighter",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "gaslighters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Countable nouns"
      ],
      "glosses": [
        "A gaslighter is someone who lights gas."
      ],
      "raw_tags": [
        "countable"
      ]
    },
    {
      "categories": [
        "Countable nouns"
      ],
      "glosses": [
        "A gaslighter is someone who gaslights. Usually this means someone who makes others doubt their own reality or sanity."
      ],
      "raw_tags": [
        "countable"
      ]
    }
  ],
  "word": "gaslighter"
}