{
  "id": "required.obligation",
  "term": "required",
  "sense": "obligation",
  "pos": "adjective",
  "status": "review",
  "level": 6,
  "arena": "required",
  "domain": "everyday",
  "style": null,
  "definition": "a condition that is a need",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "need.psychological",
      "condition.state"
    ],
    "interaction": "when a need is attached to a condition, it creates a must",
    "novel_properties": [
      "must status",
      "necessity label"
    ]
  },
  "examples": [
    {
      "text": "The International Space Station requires continuous reboosts to counteract atmospheric drag and maintain orbit.",
      "domain": "engineering"
    },
    {
      "text": "California's 2022 water restrictions required urban users to cut consumption by 15% amid drought conditions.",
      "domain": "institutions"
    },
    {
      "text": "Human adults require approximately 7 to 9 hours of sleep per night for normal cognitive function.",
      "domain": "biology"
    }
  ],
  "relations": [
    {
      "id": "condition.state",
      "note": "is-a",
      "type": "is-a"
    }
  ],
  "used_by": [
    "complex.structured",
    "contradiction.logical",
    "due.expected",
    "easy.effort",
    "fine.quality",
    "independent.attribute",
    "necessary.obligation",
    "payment.economic",
    "precarious.unstable",
    "requirements.obligation",
    "tax.economic",
    "tipping-point.irreversible",
    "verge.edge"
  ],
  "forms": [
    "require",
    "required",
    "requires",
    "requiring"
  ],
  "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-required.obligation"
}