"unseldom" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*n̥-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "prefix"
      },
      "expansion": "prefix",
      "name": "glossary"
    },
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "seldom",
        "pos1": "prefix meaning ‘not’"
      },
      "expansion": "un- (prefix meaning ‘not’) + seldom",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- (prefix meaning ‘not’) + seldom.",
  "forms": [
    {
      "form": "more unseldom",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unseldom",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unseldom (comparative more unseldom, superlative most unseldom)",
      "name": "en-adv"
    }
  ],
  "hyphenation": [
    "un‧sel‧dom"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "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 prefixed with un-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1921, Walter B[urton] Harris, “The Moorish Court. I. The Accession of Mulai Abdul Aziz.”, in Morocco That Was, Edinburgh, London: Wiliam Blackwood and Sons, →OCLC, page 17",
          "text": "Mulai Abdul Aziz was, at the time of his succession (1894), about twelve or thirteen years of age. He was a younger son of the late Sultan, for Islamic thrones do not necessarily descend by primogeniture. It is not unseldom a brother who succeeds, and at times even more distant relations.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not seldom; frequently, regularly."
      ],
      "id": "en-unseldom-en-adv-lQ4dzKZG",
      "links": [
        [
          "seldom",
          "seldom#Adverb"
        ],
        [
          "frequently",
          "frequently#Adverb"
        ],
        [
          "regularly",
          "regularly#Adverb"
        ]
      ],
      "raw_glosses": [
        "(literary) Not seldom; frequently, regularly."
      ],
      "synonyms": [
        {
          "english": "literary except India",
          "word": "unoften"
        },
        {
          "word": "often"
        }
      ],
      "tags": [
        "literary"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʌnˈsɛldəm/",
      "tags": [
        "General-American",
        "Received-Pronunciation"
      ]
    },
    {
      "rhymes": "-ɛldəm"
    }
  ],
  "word": "unseldom"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*n̥-"
      },
      "expansion": "",
      "name": "root"
    },
    {
      "args": {
        "1": "prefix"
      },
      "expansion": "prefix",
      "name": "glossary"
    },
    {
      "args": {
        "1": "en",
        "2": "un",
        "3": "seldom",
        "pos1": "prefix meaning ‘not’"
      },
      "expansion": "un- (prefix meaning ‘not’) + seldom",
      "name": "prefix"
    }
  ],
  "etymology_text": "From un- (prefix meaning ‘not’) + seldom.",
  "forms": [
    {
      "form": "more unseldom",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most unseldom",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "unseldom (comparative more unseldom, superlative most unseldom)",
      "name": "en-adv"
    }
  ],
  "hyphenation": [
    "un‧sel‧dom"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "English 3-syllable words",
        "English adverbs",
        "English entries with incorrect language header",
        "English lemmas",
        "English literary terms",
        "English terms derived from Proto-Indo-European",
        "English terms derived from the Proto-Indo-European root *n̥-",
        "English terms prefixed with un-",
        "English terms with IPA pronunciation",
        "English terms with quotations",
        "Rhymes:English/ɛldəm",
        "Rhymes:English/ɛldəm/3 syllables"
      ],
      "examples": [
        {
          "ref": "1921, Walter B[urton] Harris, “The Moorish Court. I. The Accession of Mulai Abdul Aziz.”, in Morocco That Was, Edinburgh, London: Wiliam Blackwood and Sons, →OCLC, page 17",
          "text": "Mulai Abdul Aziz was, at the time of his succession (1894), about twelve or thirteen years of age. He was a younger son of the late Sultan, for Islamic thrones do not necessarily descend by primogeniture. It is not unseldom a brother who succeeds, and at times even more distant relations.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not seldom; frequently, regularly."
      ],
      "links": [
        [
          "seldom",
          "seldom#Adverb"
        ],
        [
          "frequently",
          "frequently#Adverb"
        ],
        [
          "regularly",
          "regularly#Adverb"
        ]
      ],
      "raw_glosses": [
        "(literary) Not seldom; frequently, regularly."
      ],
      "synonyms": [
        {
          "english": "literary except India",
          "word": "unoften"
        },
        {
          "word": "often"
        }
      ],
      "tags": [
        "literary"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʌnˈsɛldəm/",
      "tags": [
        "General-American",
        "Received-Pronunciation"
      ]
    },
    {
      "rhymes": "-ɛldəm"
    }
  ],
  "word": "unseldom"
}