Samuel Johnson's dictionary is best described as the first
- C. Modern English dictionary.
According to the given question, we are asked to state what the Samuel Johnson's dictionary is best described as and why it was considered to be the first of its kind.
As a result of this, we can see that Samuel Johnson's dictionary is best described as the first modern English dictionary because it was the first to collate words, give their meanings and other syntactical meanings and sounds.
Therefore, the correct answer is option C
Read more about dictionary here:
https://brainly.com/question/751920