"sans pareils" meaning in Français

{
  "anagrams": [
    {
      "word": "pralinasses"
    },
    {
      "word": "raplanisses"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Formes de locutions adjectivales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "sans pareil",
      "ipas": [
        "\\sɑ̃ pa.ʁɛj\\"
      ],
      "tags": [
        "singular",
        "masculine"
      ]
    },
    {
      "form": "sans pareille",
      "ipas": [
        "\\sɑ̃ pa.ʁɛj\\"
      ],
      "tags": [
        "singular",
        "feminine"
      ]
    },
    {
      "form": "sans pareilles",
      "ipas": [
        "\\sɑ̃ pa.ʁɛj\\"
      ],
      "tags": [
        "plural",
        "feminine"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme de locution adjectivale",
  "senses": [
    {
      "examples": [
        {}
      ],
      "form_of": [
        {
          "word": "sans pareil"
        }
      ],
      "glosses": [
        "Pluriel de sans pareil."
      ],
      "id": "fr-sans_pareils-fr-adj-5JTt3-Ba"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "sans pareils"
}

{
  "anagrams": [
    {
      "word": "pralinasses"
    },
    {
      "word": "raplanisses"
    }
  ],
  "categories": [
    "Formes de locutions adjectivales en français",
    "français"
  ],
  "forms": [
    {
      "form": "sans pareil",
      "ipas": [
        "\\sɑ̃ pa.ʁɛj\\"
      ],
      "tags": [
        "singular",
        "masculine"
      ]
    },
    {
      "form": "sans pareille",
      "ipas": [
        "\\sɑ̃ pa.ʁɛj\\"
      ],
      "tags": [
        "singular",
        "feminine"
      ]
    },
    {
      "form": "sans pareilles",
      "ipas": [
        "\\sɑ̃ pa.ʁɛj\\"
      ],
      "tags": [
        "plural",
        "feminine"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adj",
  "pos_title": "Forme de locution adjectivale",
  "senses": [
    {
      "examples": [
        {}
      ],
      "form_of": [
        {
          "word": "sans pareil"
        }
      ],
      "glosses": [
        "Pluriel de sans pareil."
      ]
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "sans pareils"
}