"straight A" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "straight A (not comparable)",
      "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": "topical",
          "langcode": "en",
          "name": "Education",
          "orig": "en:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1980, “It's Still Rock & Roll to Me”, Billy Joel (music)",
          "text": "Should I try to be a straight A student? \"If you are, then you think too much.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Pertaining to one who makes straight As."
      ],
      "id": "en-straight_A-en-adj-HWRyVPVj",
      "links": [
        [
          "education",
          "education"
        ],
        [
          "straight As",
          "straight As"
        ]
      ],
      "raw_glosses": [
        "(education) Pertaining to one who makes straight As."
      ],
      "related": [
        {
          "word": "straight As"
        }
      ],
      "synonyms": [
        {
          "word": "straight-A"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "education"
      ],
      "translations": [
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "pertaining to one who makes straight As",
          "word": "kitűnő"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "pertaining to one who makes straight As",
          "word": "színjeles"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "pertaining to one who makes straight As",
          "word": "színötös"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "pertaining to one who makes straight As",
          "word": "piątkowy"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "tvjórdaja pjatjórka",
          "sense": "pertaining to one who makes straight As",
          "tags": [
            "feminine"
          ],
          "word": "твёрдая пятёрка"
        }
      ]
    }
  ],
  "word": "straight A"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "straight A (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "straight As"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English uncomparable adjectives",
        "en:Education"
      ],
      "examples": [
        {
          "ref": "1980, “It's Still Rock & Roll to Me”, Billy Joel (music)",
          "text": "Should I try to be a straight A student? \"If you are, then you think too much.\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Pertaining to one who makes straight As."
      ],
      "links": [
        [
          "education",
          "education"
        ],
        [
          "straight As",
          "straight As"
        ]
      ],
      "raw_glosses": [
        "(education) Pertaining to one who makes straight As."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "education"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "straight-A"
    }
  ],
  "translations": [
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "pertaining to one who makes straight As",
      "word": "kitűnő"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "pertaining to one who makes straight As",
      "word": "színjeles"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "pertaining to one who makes straight As",
      "word": "színötös"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "pertaining to one who makes straight As",
      "word": "piątkowy"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "tvjórdaja pjatjórka",
      "sense": "pertaining to one who makes straight As",
      "tags": [
        "feminine"
      ],
      "word": "твёрдая пятёрка"
    }
  ],
  "word": "straight A"
}