"modal particle" meaning in English

{
  "forms": [
    {
      "form": "modal particles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "modal particle (plural modal particles)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a word class that indicates the mood of an utterance"
      ],
      "id": "en-modal_particle-en-noun-X4ABDCzK",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word class",
          "word class"
        ],
        [
          "mood",
          "mood"
        ],
        [
          "utterance",
          "utterance"
        ]
      ],
      "raw_glosses": [
        "(linguistics) a word class that indicates the mood of an utterance"
      ],
      "related": [
        {
          "word": "sentence-final particle"
        }
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "linguistic class",
          "word": "語氣助詞"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "yǔqìzhùcí",
          "sense": "linguistic class",
          "word": "语气助词"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "linguistic class",
          "tags": [
            "feminine"
          ],
          "word": "particule modale"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "linguistic class",
          "tags": [
            "feminine"
          ],
          "word": "Modalpartikel"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "shintaishi",
          "sense": "linguistic class",
          "word": "心態詞"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "yangsangsosa",
          "sense": "linguistic class",
          "word": "양상소사"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "linguistic class",
          "tags": [
            "common-gender"
          ],
          "word": "modalpartikel"
        },
        {
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "linguistic class",
          "word": "từ ngữ khí"
        },
        {
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "linguistic class",
          "word": "ngữ khí từ"
        }
      ],
      "wikipedia": [
        "modal particle"
      ]
    }
  ],
  "word": "modal particle"
}

{
  "forms": [
    {
      "form": "modal particles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "modal particle (plural modal particles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "sentence-final particle"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Linguistics"
      ],
      "glosses": [
        "a word class that indicates the mood of an utterance"
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "word class",
          "word class"
        ],
        [
          "mood",
          "mood"
        ],
        [
          "utterance",
          "utterance"
        ]
      ],
      "raw_glosses": [
        "(linguistics) a word class that indicates the mood of an utterance"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "modal particle"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "linguistic class",
      "word": "語氣助詞"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "yǔqìzhùcí",
      "sense": "linguistic class",
      "word": "语气助词"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "linguistic class",
      "tags": [
        "feminine"
      ],
      "word": "particule modale"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "linguistic class",
      "tags": [
        "feminine"
      ],
      "word": "Modalpartikel"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "shintaishi",
      "sense": "linguistic class",
      "word": "心態詞"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "yangsangsosa",
      "sense": "linguistic class",
      "word": "양상소사"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "linguistic class",
      "tags": [
        "common-gender"
      ],
      "word": "modalpartikel"
    },
    {
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "linguistic class",
      "word": "từ ngữ khí"
    },
    {
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "linguistic class",
      "word": "ngữ khí từ"
    }
  ],
  "word": "modal particle"
}