{
  "id": "adult.person",
  "term": "adult",
  "sense": "person",
  "pos": "noun",
  "status": "review",
  "level": 7,
  "arena": "adult",
  "domain": "people.social",
  "style": null,
  "definition": "a person with growth that is now different",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "people.social",
      "development.growth",
      "difference.relation"
    ],
    "interaction": "growth changes the person so it is different",
    "novel_properties": [
      "legal status",
      "reproductive capacity",
      "social role"
    ]
  },
  "examples": [
    {
      "text": "A human reaches skeletal maturity around age 25, when the epiphyseal plates in the long bones fully ossify.",
      "domain": "biology"
    },
    {
      "text": "The legal age of majority in Japan changed from 20 to 18 in 2022, redefining adult status for 1.3 million people.",
      "domain": "institutions"
    },
    {
      "text": "In 2005, the United Nations revised its demographic models after global life expectancy rose past 65 years on average.",
      "domain": "demographics"
    }
  ],
  "relations": [
    {
      "id": "people.social",
      "note": "is-a",
      "type": "is-a"
    }
  ],
  "used_by": [
    "gay.sexual",
    "man.human",
    "teen.age",
    "women.social"
  ],
  "forms": [
    "adult",
    "adults"
  ],
  "closed": true,
  "provenance": {
    "author": "openrouter:openai/gpt-oss-120b",
    "date": "2026-07-29",
    "confidence": 0.6
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-adult.person"
}