Cryptic crossword clue
Eccentric in close possesses ten dictionaries 8

The most common and most likely answer to this crossword clue is the 8 letter word LEXICONS

I've seen this crossword clue in The Daily Telegraph
L
E
X
I
C
O
N
S


Buddy explains!

The straight part
We know that "dictionaries" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case dictionaries = lexicons.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does LEXICONS mean?

LEXICONS noun
  1. The vocabulary of a language.
  2. A dictionary that includes or focuses on lexemes.
  3. A dictionary of Classical Greek, Hebrew, Latin, or Aramaic.
  4. The lexicology of a programming language. (Usually called lexical structure.)
  5. Any dictionary.
  6. The vocabulary used by or known to an individual. (Also called lexical knowledge)
  7. A vocabulary specific to a certain subject.

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