"tearless" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tear",
        "3": "less"
      },
      "expansion": "tear + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "tear + -less",
  "forms": [
    {
      "form": "more tearless",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most tearless",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tearless (comparative more tearless, superlative most tearless)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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          "parents": [
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        },
        {
          "kind": "other",
          "name": "English terms suffixed with -less",
          "parents": [],
          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Eye",
          "orig": "en:Eye",
          "parents": [
            "Face",
            "Vision",
            "Head and neck",
            "Senses",
            "Body parts",
            "Perception",
            "Body",
            "Anatomy",
            "Human",
            "Biology",
            "Medicine",
            "All topics",
            "Sciences",
            "Fundamental"
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          "source": "w"
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      ],
      "examples": [
        {
          "ref": "1982, Judas Priest, “Electric Eye”, in Screaming for Vengeance",
          "text": "My tearless retina takes pictures that can prove",
          "type": "quotation"
        },
        {
          "ref": "2009 January 29, John Updike, “Requiem”, in New York Times",
          "text": "Instead, a shrug and tearless eyes",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Without tears."
      ],
      "id": "en-tearless-en-adj-kFpgCVgi",
      "links": [
        [
          "tear",
          "tear"
        ]
      ]
    }
  ],
  "word": "tearless"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tear",
        "3": "less"
      },
      "expansion": "tear + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "tear + -less",
  "forms": [
    {
      "form": "more tearless",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most tearless",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tearless (comparative more tearless, superlative most tearless)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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      "examples": [
        {
          "ref": "1982, Judas Priest, “Electric Eye”, in Screaming for Vengeance",
          "text": "My tearless retina takes pictures that can prove",
          "type": "quotation"
        },
        {
          "ref": "2009 January 29, John Updike, “Requiem”, in New York Times",
          "text": "Instead, a shrug and tearless eyes",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Without tears."
      ],
      "links": [
        [
          "tear",
          "tear"
        ]
      ]
    }
  ],
  "word": "tearless"
}