"grind to a halt" meaning in English

{
  "etymology_text": ": → δείτε τις λέξεις grind, to, a και halt",
  "forms": [
    {
      "form": "grind to a halt"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "glosses": [
        "σταματώ"
      ],
      "id": "el-grind_to_a_halt-en-phrase--9tKwOhD"
    },
    {
      "glosses": [
        "χαλάω"
      ],
      "id": "el-grind_to_a_halt-en-phrase-CD5M38-B"
    },
    {
      "glosses": [
        "παύω"
      ],
      "id": "el-grind_to_a_halt-en-phrase-oCC4SyJ1"
    }
  ],
  "synonyms": [
    {
      "word": "come to a standstill"
    }
  ],
  "word": "grind to a halt"
}

{
  "etymology_text": ": → δείτε τις λέξεις grind, to, a και halt",
  "forms": [
    {
      "form": "grind to a halt"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "glosses": [
        "σταματώ"
      ]
    },
    {
      "glosses": [
        "χαλάω"
      ]
    },
    {
      "glosses": [
        "παύω"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "come to a standstill"
    }
  ],
  "word": "grind to a halt"
}