“…While there is a number of contributions in the philosophy of law (e.g., Sorensen, 2001; Endicott, 2005; Asgeirsson, 2015; Lanius, 2019; Asgeirsson, 2020), game theory (e.g., Lipman, 2000; de Jaegher, 2003; de Jaegher and van Rooij, 2011), as well as computational linguistics (van Deemter, 2009, 2010; Green and van Deemter, 2011; Green and Deemter, 2013; Green and Deemter, 2019) that discuss in some way or other the value of vagueness, the legal community is concerned with the use of vagueness and other forms of indeterminacy specifically in the law and most of the contributions by game theorists and computer linguists try to explain in general why language has evolved to be vague in the first place. This paper, in contrast, deals with the question of why individual language speakers use vague terms in ordinary conversation when they could have used more precise ones instead.…”