"poker-faced" meaning in English

{
  "etymology_text": "From the attitude necessary in the game of poker, since one is ill-advised to reveal delight at being dealt a winning hand lest other players decline to bet (or contrariwise, show disappointment at a poor hand if one is inclined to bluff).",
  "forms": [
    {
      "form": "more poker-faced",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most poker-faced",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "poker-faced (comparative more poker-faced, superlative most poker-faced)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Poker",
          "orig": "en:Poker",
          "parents": [
            "Card games",
            "Gambling",
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "John, in his most poker-faced manner, continued to explain the rules.",
          "type": "example"
        }
      ],
      "glosses": [
        "Wearing a poker face: studiously neutral in facial expression; giving nothing away."
      ],
      "id": "en-poker-faced-en-adj-aumKeobx",
      "links": [
        [
          "poker face",
          "poker face"
        ],
        [
          "neutral",
          "neutral"
        ]
      ],
      "related": [
        {
          "word": "po-faced"
        }
      ],
      "synonyms": [
        {
          "word": "deadpan"
        },
        {
          "word": "expressionless"
        },
        {
          "word": "unexpressive"
        },
        {
          "word": "impassive"
        },
        {
          "word": "poker faced"
        },
        {
          "word": "pokerfaced"
        }
      ]
    }
  ],
  "word": "poker-faced"
}

{
  "etymology_text": "From the attitude necessary in the game of poker, since one is ill-advised to reveal delight at being dealt a winning hand lest other players decline to bet (or contrariwise, show disappointment at a poor hand if one is inclined to bluff).",
  "forms": [
    {
      "form": "more poker-faced",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most poker-faced",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "poker-faced (comparative more poker-faced, superlative most poker-faced)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "po-faced"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English parasynthetic adjectives",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Poker"
      ],
      "examples": [
        {
          "text": "John, in his most poker-faced manner, continued to explain the rules.",
          "type": "example"
        }
      ],
      "glosses": [
        "Wearing a poker face: studiously neutral in facial expression; giving nothing away."
      ],
      "links": [
        [
          "poker face",
          "poker face"
        ],
        [
          "neutral",
          "neutral"
        ]
      ],
      "synonyms": [
        {
          "word": "deadpan"
        },
        {
          "word": "expressionless"
        },
        {
          "word": "unexpressive"
        },
        {
          "word": "impassive"
        }
      ]
    }
  ],
  "synonyms": [
    {
      "word": "poker faced"
    },
    {
      "word": "pokerfaced"
    }
  ],
  "word": "poker-faced"
}