AbstractIn general, language in business negotiation is believed to be precise, but actually, pragmatic application of vagueness is a common phenomenon in business negotiation
As early as 1965, Zadeh (1965) issued a “fuzzy set”, and for the first time it brought the “fuzzy” concept into language areas
Business negotiation is a complex process
Nowadays, vague language in business negotiation is commonly used
The thesis tries to study the application of vague language and its functions from the pragmatic point of view in international business negotiation
Through analysis, it manifests that negotiators can employ vague language such as vague words, hedges, and syntactic vagueness to satisfy certain communicative purposes, which reveals the functions of vague language, namely being flexi