"'d best" meaning in English

{
  "etymology_text": "Shortening of had best.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "'d best",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "It's getting late. You'd best get on home.",
          "type": "example"
        },
        {
          "ref": "1874, “Rattletrap Rhymes, No. 47, The Blighted Clerk and the Cruel Millner”, in Judy, Or the London Serio-comic Journal, volume 15, page 199:",
          "text": "“This career you'd best be ending, And your ways you'd best be mending\"",
          "type": "quote"
        },
        {
          "ref": "2013, Bret Anthony Johnston, “Encounters with Unexpected Animals”, in Elizabeth Strout, Heidi Pitlor, editors, The Best American Short Stories 2013, page 93:",
          "text": "She'd come over for supper this evening, and though she volunteered to help Robbie and his mother with the dishes, Lambright had said he'd best deliver her home, it being a school night.",
          "type": "quote"
        },
        {
          "ref": "2020, Fergus Hume, The Wooden Hand, page 168:",
          "text": "“I guess,” said Horace at this point, “you'd best speak civil of Miss Strode. I'm not taking any insolence this day.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "Had best."
      ],
      "id": "en-'d_best-en-verb-z9PRyJ1a",
      "links": [
        [
          "Had best",
          "had best"
        ]
      ],
      "raw_glosses": [
        "(modal, auxiliary verb, colloquial) Had best."
      ],
      "tags": [
        "auxiliary",
        "colloquial",
        "modal"
      ]
    }
  ],
  "word": "'d best"
}

{
  "etymology_text": "Shortening of had best.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "verb"
      },
      "expansion": "'d best",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English auxiliary verbs",
        "English colloquialisms",
        "English defective verbs",
        "English entries with incorrect language header",
        "English irregular verbs",
        "English lemmas",
        "English modal verbs",
        "English multiword terms",
        "English terms with quotations",
        "English terms with usage examples",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "It's getting late. You'd best get on home.",
          "type": "example"
        },
        {
          "ref": "1874, “Rattletrap Rhymes, No. 47, The Blighted Clerk and the Cruel Millner”, in Judy, Or the London Serio-comic Journal, volume 15, page 199:",
          "text": "“This career you'd best be ending, And your ways you'd best be mending\"",
          "type": "quote"
        },
        {
          "ref": "2013, Bret Anthony Johnston, “Encounters with Unexpected Animals”, in Elizabeth Strout, Heidi Pitlor, editors, The Best American Short Stories 2013, page 93:",
          "text": "She'd come over for supper this evening, and though she volunteered to help Robbie and his mother with the dishes, Lambright had said he'd best deliver her home, it being a school night.",
          "type": "quote"
        },
        {
          "ref": "2020, Fergus Hume, The Wooden Hand, page 168:",
          "text": "“I guess,” said Horace at this point, “you'd best speak civil of Miss Strode. I'm not taking any insolence this day.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "Had best."
      ],
      "links": [
        [
          "Had best",
          "had best"
        ]
      ],
      "raw_glosses": [
        "(modal, auxiliary verb, colloquial) Had best."
      ],
      "tags": [
        "auxiliary",
        "colloquial",
        "modal"
      ]
    }
  ],
  "word": "'d best"
}