"straighten" meaning in English

{
  "categories": [
    {
      "kind": "other",
      "name": "Terms suffixed with -en",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "straight",
        "2": "en"
      },
      "expansion": "straight + -en",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "straight + -en",
  "forms": [
    {
      "form": "straighten",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "straightens",
      "tags": [
        "third-person",
        "singular"
      ]
    },
    {
      "form": "straightened",
      "tags": [
        "past"
      ]
    },
    {
      "form": "straightened",
      "tags": [
        "past",
        "participle"
      ]
    },
    {
      "form": "straightening",
      "tags": [
        "present",
        "participle"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "text": "Can you straighten up in here, and make your bed?"
        }
      ],
      "glosses": [
        "If you straighten a place up, you put everything in the right place."
      ],
      "id": "simple-straighten-en-verb-8cyr91Cp",
      "raw_tags": [
        "transitive & intransitive"
      ],
      "synonyms": [
        {
          "word": "tidy"
        },
        {
          "word": "clean"
        }
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "He took a deep breath and straightened up before walking in."
        },
        {
          "text": "After going through the mountains, the road straightened out."
        },
        {
          "text": "She usually straightened her hair in the mornings."
        }
      ],
      "glosses": [
        "If you straighten something, you make it straighter, less curved or irregular."
      ],
      "id": "simple-straighten-en-verb-SBpbASnP",
      "raw_tags": [
        "transitive & intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈstreɪtn̩/"
    },
    {
      "audio": "en-us-straighten.ogg",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "straighten"
}

{
  "categories": [
    "Terms suffixed with -en"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "straight",
        "2": "en"
      },
      "expansion": "straight + -en",
      "name": "ety-suffix"
    }
  ],
  "etymology_text": "straight + -en",
  "forms": [
    {
      "form": "straighten",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "straightens",
      "tags": [
        "third-person",
        "singular"
      ]
    },
    {
      "form": "straightened",
      "tags": [
        "past"
      ]
    },
    {
      "form": "straightened",
      "tags": [
        "past",
        "participle"
      ]
    },
    {
      "form": "straightening",
      "tags": [
        "present",
        "participle"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Intransitive verbs",
        "Transitive verbs"
      ],
      "examples": [
        {
          "text": "Can you straighten up in here, and make your bed?"
        }
      ],
      "glosses": [
        "If you straighten a place up, you put everything in the right place."
      ],
      "raw_tags": [
        "transitive & intransitive"
      ],
      "synonyms": [
        {
          "word": "tidy"
        },
        {
          "word": "clean"
        }
      ]
    },
    {
      "categories": [
        "Intransitive verbs",
        "Transitive verbs"
      ],
      "examples": [
        {
          "text": "He took a deep breath and straightened up before walking in."
        },
        {
          "text": "After going through the mountains, the road straightened out."
        },
        {
          "text": "She usually straightened her hair in the mornings."
        }
      ],
      "glosses": [
        "If you straighten something, you make it straighter, less curved or irregular."
      ],
      "raw_tags": [
        "transitive & intransitive"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈstreɪtn̩/"
    },
    {
      "audio": "en-us-straighten.ogg",
      "raw_tags": [
        "Audio"
      ],
      "tags": [
        "US"
      ]
    }
  ],
  "word": "straighten"
}