"ful" meaning in Spanish

{
  "head_templates": [
    {
      "args": {
        "pl": "#"
      },
      "expansion": "ful (invariable)",
      "name": "es-adj"
    }
  ],
  "hyphenation": [
    "ful"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 19 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "fulero"
        }
      ],
      "glosses": [
        "cheap, fake"
      ],
      "id": "en-ful-es-adj-sMQhWiFC",
      "links": [
        [
          "cheap",
          "cheap"
        ],
        [
          "fake",
          "fake"
        ]
      ],
      "raw_glosses": [
        "(slang) cheap, fake"
      ],
      "tags": [
        "invariable",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈful/"
    },
    {
      "ipa": "[ˈful]"
    },
    {
      "rhymes": "-ul"
    }
  ],
  "word": "ful"
}

{
  "derived": [
    {
      "word": "fulero"
    }
  ],
  "head_templates": [
    {
      "args": {
        "pl": "#"
      },
      "expansion": "ful (invariable)",
      "name": "es-adj"
    }
  ],
  "hyphenation": [
    "ful"
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 19 entries",
        "Rhymes:Spanish/ul",
        "Rhymes:Spanish/ul/1 syllable",
        "Spanish 1-syllable words",
        "Spanish adjectives",
        "Spanish entries with incorrect language header",
        "Spanish epicene adjectives",
        "Spanish indeclinable adjectives",
        "Spanish lemmas",
        "Spanish slang",
        "Spanish terms with IPA pronunciation"
      ],
      "glosses": [
        "cheap, fake"
      ],
      "links": [
        [
          "cheap",
          "cheap"
        ],
        [
          "fake",
          "fake"
        ]
      ],
      "raw_glosses": [
        "(slang) cheap, fake"
      ],
      "tags": [
        "invariable",
        "slang"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈful/"
    },
    {
      "ipa": "[ˈful]"
    },
    {
      "rhymes": "-ul"
    }
  ],
  "word": "ful"
}