"safer sex" meaning in English

{
  "etymology_text": "This term first appeared in print in the 1970s.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "safer sex (uncountable)",
      "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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          "source": "w"
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          "parents": [
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          "source": "w"
        },
        {
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          "name": "Pages with 1 entry",
          "parents": [],
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sex",
          "orig": "en:Sex",
          "parents": [
            "All topics",
            "Reproduction",
            "Fundamental",
            "Life",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Sexual activity that minimizes the risk of spreading sexually transmitted disease, especially by the use of condoms."
      ],
      "id": "en-safer_sex-en-noun-JG8tOjh~",
      "links": [
        [
          "condom",
          "condom"
        ]
      ],
      "related": [
        {
          "word": "safe sex"
        }
      ],
      "synonyms": [
        {
          "word": "safer-sex"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "safer sex"
}

{
  "etymology_text": "This term first appeared in print in the 1970s.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "safer sex (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "safe sex"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "Pages with 1 entry",
        "en:Sex"
      ],
      "glosses": [
        "Sexual activity that minimizes the risk of spreading sexually transmitted disease, especially by the use of condoms."
      ],
      "links": [
        [
          "condom",
          "condom"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "safer-sex"
    }
  ],
  "word": "safer sex"
}