Authors:

The dictionary is a closed system in which someone interested in the meaning of a word can go around and around and end up exactly where he started, simply because words are defined in terms of other words, and these, in turn, are defined in terms of still other words.

Peter Farb (2015). “Word Play: What Happens When People Talk”, p.227, Vintage
The dictionary is a closed system in which someone interested in the meaning of a word can go around and around and end up exactly where he started, simply because words are defined in terms of other words, and these,