Some words in Xinhua Dictionary can't be found. What dictionary contains more comprehensive words?

Xinhua Dictionary contains about 1 1000 words, which are commonly used in our daily life. I also accept some words from ancient books, dialects ... So it can basically meet our daily needs. However, Chinese characters in China have a history of more than 5,000 years, and now there are basically more than 70,000 words, so we will inevitably encounter some words that we can't find when reading, so we can look up a dictionary called Kangxi Dictionary, which contains about 40,000 words. In China, 1985 published a Chinese dictionary with about 50,000 words. At present, the most dictionary is Ci Hai.