"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": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "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."
        }
      ],
      "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 entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English parasynthetic adjectives",
        "English terms with non-redundant non-automated sortkeys",
        "en:Poker"
      ],
      "examples": [
        {
          "text": "John, in his most poker-faced manner, continued to explain the rules."
        }
      ],
      "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"
}