"strengthen" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms suffixed with -en",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "strength",
        "2": "en"
      },
      "expansion": "strength + -en",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "strength + -en",
  "forms": [
    {
      "form": "strengthen",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "strengthens",
      "tags": [
        "third-person",
        "singular"
      ]
    },
    {
      "form": "strengthened",
      "tags": [
        "past"
      ]
    },
    {
      "form": "strengthened",
      "tags": [
        "past",
        "participle"
      ]
    },
    {
      "form": "strengthening",
      "tags": [
        "present",
        "participle"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "antonyms": [
        {
          "word": "weaken"
        }
      ],
      "categories": [],
      "examples": [
        {
          "text": "They are keen to strengthen ties with the UN."
        }
      ],
      "glosses": [
        "If something is strengthened, then it is made stronger; strength is added to it."
      ],
      "id": "simple-strengthen-en-verb-jeQ~le1m",
      "raw_tags": [
        "transitive"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "If someone strengthens a person, he or she animates or gives moral strength to encourage the person."
      ],
      "id": "simple-strengthen-en-verb-JQARbS5W",
      "raw_tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Verbs",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "If something strengthens, it grows strong or stronger."
      ],
      "id": "simple-strengthen-en-verb-xP0iaqX5",
      "raw_tags": [
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈstrɛŋ(k)θən/"
    },
    {
      "audio": "en-us-strengthen.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "strengthen"
}

{
  "categories": [
    "Terms suffixed with -en"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "strength",
        "2": "en"
      },
      "expansion": "strength + -en",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "strength + -en",
  "forms": [
    {
      "form": "strengthen",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "strengthens",
      "tags": [
        "third-person",
        "singular"
      ]
    },
    {
      "form": "strengthened",
      "tags": [
        "past"
      ]
    },
    {
      "form": "strengthened",
      "tags": [
        "past",
        "participle"
      ]
    },
    {
      "form": "strengthening",
      "tags": [
        "present",
        "participle"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "antonyms": [
        {
          "word": "weaken"
        }
      ],
      "categories": [
        "Transitive verbs"
      ],
      "examples": [
        {
          "text": "They are keen to strengthen ties with the UN."
        }
      ],
      "glosses": [
        "If something is strengthened, then it is made stronger; strength is added to it."
      ],
      "raw_tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        "Transitive verbs"
      ],
      "glosses": [
        "If someone strengthens a person, he or she animates or gives moral strength to encourage the person."
      ],
      "raw_tags": [
        "transitive"
      ]
    },
    {
      "categories": [
        "Intransitive verbs",
        "Verbs"
      ],
      "glosses": [
        "If something strengthens, it grows strong or stronger."
      ],
      "raw_tags": [
        "intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈstrɛŋ(k)θən/"
    },
    {
      "audio": "en-us-strengthen.ogg",
      "tags": [
        "US"
      ]
    }
  ],
  "word": "strengthen"
}