"przeciw-" meaning in Polish

{
  "etymology_text": "From przeciw.",
  "head_templates": [
    {
      "args": {
        "1": "pl",
        "2": "prefix"
      },
      "expansion": "przeciw-",
      "name": "head"
    }
  ],
  "hyphenation": [
    "[please"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish entries with Template:pl-pr without syllabification",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "przeciw- + pożar → przeciwpożarowy",
          "type": "example"
        }
      ],
      "glosses": [
        "counter-"
      ],
      "id": "en-przeciw--pl-prefix-kgaqOdtr",
      "links": [
        [
          "counter-",
          "counter-"
        ]
      ],
      "synonyms": [
        {
          "word": "anty-"
        },
        {
          "word": "kontr-"
        },
        {
          "word": "kontra-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pʂɛ.t͡ɕiv/"
    },
    {
      "rhymes": "-ɛt͡ɕiv"
    },
    {
      "homophone": "przeciw"
    }
  ],
  "word": "przeciw-"
}

{
  "etymology_text": "From przeciw.",
  "head_templates": [
    {
      "args": {
        "1": "pl",
        "2": "prefix"
      },
      "expansion": "przeciw-",
      "name": "head"
    }
  ],
  "hyphenation": [
    "[please"
  ],
  "lang": "Polish",
  "lang_code": "pl",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Polish 2-syllable words",
        "Polish entries with Template:pl-pr without syllabification",
        "Polish entries with incorrect language header",
        "Polish lemmas",
        "Polish prefixes",
        "Polish terms with IPA pronunciation",
        "Polish terms with audio pronunciation",
        "Polish terms with homophones",
        "Rhymes:Polish/ɛt͡ɕiv",
        "Rhymes:Polish/ɛt͡ɕiv/2 syllables"
      ],
      "examples": [
        {
          "text": "przeciw- + pożar → przeciwpożarowy",
          "type": "example"
        }
      ],
      "glosses": [
        "counter-"
      ],
      "links": [
        [
          "counter-",
          "counter-"
        ]
      ],
      "synonyms": [
        {
          "word": "anty-"
        },
        {
          "word": "kontr-"
        },
        {
          "word": "kontra-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pʂɛ.t͡ɕiv/"
    },
    {
      "rhymes": "-ɛt͡ɕiv"
    },
    {
      "homophone": "przeciw"
    }
  ],
  "word": "przeciw-"
}