"complementary" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms suffixed with -ary",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "complement",
        "2": "ary"
      },
      "expansion": "complement + -ary",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "complement + -ary",
  "forms": [
    {
      "form": "complementary",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more complementary",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most complementary",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "com‧ple‧men‧ta‧ry",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "If something is complementary, it acts as something that complements something else."
      ],
      "id": "simple-complementary-en-adj-VtEk~a0R"
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌkɒmplɪ̈ˈmɛnt(ə)ri/",
      "tags": [
        "UK"
      ]
    },
    {
      "enpr": "kŏm'plĭ-mĕnʹtə-rē",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/ˌkɑmplɪ̈ˈmɛnt(ə)ri/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-complementary.wav",
      "tags": [
        "UK"
      ]
    },
    {
      "homophones": [
        "complimentary"
      ]
    }
  ],
  "word": "complementary"
}

{
  "categories": [
    "Terms suffixed with -ary"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "complement",
        "2": "ary"
      },
      "expansion": "complement + -ary",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "complement + -ary",
  "forms": [
    {
      "form": "complementary",
      "tags": [
        "positive"
      ]
    },
    {
      "form": "more complementary",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most complementary",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "more": "true"
      },
      "expansion": "[POS TABLE]",
      "name": "adj"
    }
  ],
  "hyphenation": "com‧ple‧men‧ta‧ry",
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "If something is complementary, it acts as something that complements something else."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌkɒmplɪ̈ˈmɛnt(ə)ri/",
      "tags": [
        "UK"
      ]
    },
    {
      "enpr": "kŏm'plĭ-mĕnʹtə-rē",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/ˌkɑmplɪ̈ˈmɛnt(ə)ri/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-complementary.wav",
      "tags": [
        "UK"
      ]
    },
    {
      "homophones": [
        "complimentary"
      ]
    }
  ],
  "word": "complementary"
}