Alice encounters Humpty Dumpty, who dismissively explains that he can define words as he pleases, illustrating the idea of personal interpretation of language. Humpty Dumpty claims that a word's meaning is entirely up to him, regardless of conventional definitions.
Humpty's attitude highlights the fluidity of language and raises questions about the reliability of words to convey fixed meanings. Alice questions whether it's possible for words to have so many different interpretations, emphasizing the importance of shared understanding in communication.