I feel I need a whole new lexicon, as my language fails me.

This about the lexicon, stubbornness, the broad beans, the raven and the goat. Everyone thinks that only their beans cook well. The crow, for some people, is a goat, even if they see it fly away. It's like you said.

The verb "to downdate" does not exist in the English lexicon, but let's go ahead and coin it anyway.

Neither the lexicon nor the pattern-book of English is closed.

The title of this book is 'Le lexique de berbère moderne' which translates as the 'Lexicon of Modern Berber.'' "You're an anti-Lilliputian racist liar! This book is a lexicon of modern Lilliputian!"

It is less the available structures and lexicon of a particular language that influence speakers' thought than the range they choose to call their own.

This is a universal lexicon.