"echoless" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "echo",
        "3": "less"
      },
      "expansion": "echo + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "From echo + -less.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "echoless (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -less",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "echolessness"
        }
      ],
      "glosses": [
        "Without echo."
      ],
      "id": "en-echoless-en-adj-tLi8ztd7",
      "links": [
        [
          "echo",
          "echo"
        ]
      ],
      "synonyms": [
        {
          "word": "unechoing"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "without echo",
          "word": "kaiuton"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "without echo",
          "word": "kaikumaton"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "without echo",
          "word": "bezechowy"
        }
      ]
    }
  ],
  "word": "echoless"
}

{
  "derived": [
    {
      "word": "echolessness"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "echo",
        "3": "less"
      },
      "expansion": "echo + -less",
      "name": "suffix"
    }
  ],
  "etymology_text": "From echo + -less.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "echoless (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -less",
        "English uncomparable adjectives",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Polish translations"
      ],
      "glosses": [
        "Without echo."
      ],
      "links": [
        [
          "echo",
          "echo"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "unechoing"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "without echo",
      "word": "kaiuton"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "without echo",
      "word": "kaikumaton"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "without echo",
      "word": "bezechowy"
    }
  ],
  "word": "echoless"
}