Interlexical is an adjective that describes a relationship or interaction between different languages. Some synonyms for interlexical may include cross-linguistic, multilingual, or linguistic diversity. These words indicate that a communication event involves more than one language, and may also imply the potential for language barriers or translation challenges. Other synonyms for the word interlexical might include polyglot, multilingualism, or code-switching, which all imply a high level of language flexibility and proficiency. Any of these terms could be used to describe the complex network of multilingual communication that occurs in our globalized world, where language barriers are common but also frequently bridged through translation and interpretation.