"au plus tard" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions adverbiales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de au, plus et tard."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "examples": [
        {
          "text": "Nous devons être à l'aéroport à six heures au plus tard si nous ne voulons pas rater l'embarquement."
        }
      ],
      "glosses": [
        "Terme de rigueur, dernière limite."
      ],
      "id": "fr-au_plus_tard-fr-adv-TDxFg80U"
    }
  ],
  "sounds": [
    {
      "ipa": "\\o ply taʁ\\"
    },
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  ],
  "synonyms": [
    {
      "word": "au grand max"
    },
    {
      "word": "au grand maximum"
    }
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "word": "spätestens"
    },
    {
      "lang": "Allemand",
      "lang_code": "de",
      "word": "allerspätestens"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "na vrijeme"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "naj kasnije"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "word": "al più tardi"
    }
  ],
  "word": "au plus tard"
}

{
  "categories": [
    "Compositions en allemand",
    "Locutions adverbiales en français",
    "Traductions en allemand",
    "Traductions en croate",
    "Traductions en italien",
    "français"
  ],
  "etymology_texts": [
    "Composé de au, plus et tard."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "adv",
  "pos_title": "Locution adverbiale",
  "senses": [
    {
      "examples": [
        {
          "text": "Nous devons être à l'aéroport à six heures au plus tard si nous ne voulons pas rater l'embarquement."
        }
      ],
      "glosses": [
        "Terme de rigueur, dernière limite."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\o ply taʁ\\"
    },
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  ],
  "synonyms": [
    {
      "word": "au grand max"
    },
    {
      "word": "au grand maximum"
    }
  ],
  "translations": [
    {
      "lang": "Allemand",
      "lang_code": "de",
      "word": "spätestens"
    },
    {
      "lang": "Allemand",
      "lang_code": "de",
      "word": "allerspätestens"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "na vrijeme"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "naj kasnije"
    },
    {
      "lang": "Italien",
      "lang_code": "it",
      "word": "al più tardi"
    }
  ],
  "word": "au plus tard"
}