What was the diffusion and the use of dictionaries in ancient times? Every civilization with a dictionary?

Question

Did they have dictionaries in the ancient times?

I mean who used the dictionaries? Did authors use them to know how to write?
I don't think it worked this way. But when in the history dictionaries began to be really in use?

For instance, they give approximative dates in some sites, but no mean to know about the diffusion:

Was it a private project from the author? Did every civilizations have their dictionaries? Could it be that some texts have been lost?

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Reference:

The oldest known dictionaries were Akkadian Empire cuneiform tablets with bilingual Sumerian–Akkadian wordlists (...)
(early 2nd millennium BC)

http://www.historyofinformation.com/detail.php?id=2090

For Latin:

The oldest Latin Dictionary was compiled by Solomon, bishop of Constance, about the year 1410.

But:

1st cent. BC

Beginnings of ancient Latin lexicography, in works such as the lost Liber glossematorum of Lucius Ateius Philologus.

For Greek:

circa 300 BC:

Philitas of Cos and Simias (or Simmias) of Rhodes make the first extensive learned collections of glosses of ancient Greek epic and dialect words, initiating the Greek lexicographical tradition. Their work only survives in fragments.

https://www.oxfordhandbooks.com/view/10.1093/oxfordhb/9780199691630.001.0001/oxfordhb-9780199691630-miscMatter-8

Answer 1

As OP clarified in the comments:

Bilingual list is a dictionary.

Therefore, the oldest dictionaries would be the cuneiform lexical lists. These are attested from close to 4000 BCE, and are extremely well-attested because they were used for practice at the edubba (scribal schools).

Much like modern Japanese, Akkadian cuneiform used a large inventory of logograms borrowed from Sumerian, sometimes augmented with phonetically-spelled endings. A typical lexical list would include a long series of logograms, their Sumerian pronunciations in phonetic spelling, and their Akkadian pronunciations in phonetic spelling. For example, one row might contain the logogram for "god" (𒀭), the Sumerian pronunciation diŋir, and the Akkadian pronunciation ilum. (To continue the Japanese analogy, it would be like listing out the logogram 神, the Mandarin pronunciation shén, and the Japanese pronunciation kami.)

These lists weren't widely used by the public, because in the third millennium BCE, most people weren't literate. But they were widely used in scribal education, with scribes-in-training copying them out over and over to learn by rote. Presumably if a student came across an unfamiliar logogram in an assignment, they could also find one of these lists to look it up.

(The use of such things, of course, varied widely across eras and civilizations since 4000BCE Mesopotamia. But this is almost certainly the oldest attestation.)