Boundedness (linguistics)
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In linguistics, boundedness is a semantic feature that relates to an understanding of the referential limits of a lexical item.[1] Fundamentally, words that specify a spatio-temporal demarcation of their reference are considered bounded, while words that allow for a fluidly interpretable referent are considered unbounded. This distinction also relies on the divisibility of the lexical item's referent into distinct segments, or strata.[2] Though this feature most often distinguishes countability in nouns and aspect in verbs, it applies more generally to any syntactic category.
For verbs, certain grammatical aspects express boundedness.
Boundedness is characteristic of perfective aspects such as the Ancient Greek aorist and the Spanish preterite. The simple past of English commonly expresses a bounded event ("I found out"), but sometimes expresses, for example, a stative ("I knew").
The perfective aspect often includes a contextual variation similar to an inchoative aspect or verb, and expresses the beginning of a state.
In German, the modal particle "mal" can be used to express that the speaker renounces the exactness and temporal unambiguity of the action of the verb, favoring vagueness and non-commitment.[3]