Conventional Implicature
Conventional implicature refers to a type of non-truth-conditional meaning that is lexically anchored to specific words or expressions, rather than derived from conversational context or speaker intent. First systematically described by H. P. Grice in 1975, it occupies a foundational role in the study of pragmatics, semantics, and the philosophy of language[1].
Unlike truth-conditional content (what makes a statement true or false), conventional implicatures convey additional meaning that cannot be canceled without contradiction, yet does not affect the truth conditions of the utterance[2].
Definition & Core Characteristics
In Gricean pragmatics, meaning is often divided into what is said (truth-conditional content) and what is implicated (non-truth-conditional content). Conventional implicatures belong to the latter category but are uniquely tied to the lexical semantics of specific items.
Grice identified four key features that distinguish conventional from conversational implicature:
1. Non-cancelable — Cannot be explicitly denied without contradiction.
2. Non-detachable — Tied to specific lexical items, not paraphrasable away.
3. Reinforceable — Can be stated explicitly without contradiction.
4. Conventional — Derives from linguistic convention, not context or reasoning.
Historical Context & Theoretical Framework
The concept emerged from Paul Grice’s broader project to explain how speakers convey more than what is literally said. In his seminal paper "Logic and Conversation" (1975), Grice distinguished between conversational implicature (context-dependent, derived from the Cooperative Principle and its maxims) and conventional implicature (lexical, context-independent)[1].
Later scholars, notably Chris Potts (2005), formalized conventional implicatures within Scalar Implicature and Triviality frameworks, treating them as expressive content or side meaning that projects independently across embedding contexts[3].
Classic Examples
The most transparent examples involve discourse markers and focus-sensitive adverbs that carry fixed pragmatic meanings:
- "She is poor but happy."
Implicature: There is a contrast between being poor and being happy. The word but conventionally triggers this contrastive meaning, regardless of context. - "John became a priest; therefore he is celibate."
Implicature: Therefore conventionally signals a causal or justificatory relationship, even if the logical connection is debatable. - "Even the professor failed the exam."
Implicature: Even implicates that it is unexpected or surprising, given the professor’s presumed competence. - "He is an Englishman; he is brave."
Implicature: The semicolon + ordering conventionally suggests stereotypical or causal linkage, as noted by Grice.
Note that in each case, removing or replacing the triggering word eliminates the implicature, confirming its non-detachable nature. Furthermore, explicitly stating the implicature (e.g., "She is poor, and I want to note the contrast, she is happy") does not create contradiction, confirming reinforceability.
Conventional vs. Conversational Implicature
The distinction is central to pragmatic theory. While both operate outside truth conditions, they differ fundamentally in derivation and behavior:
| Feature | Conventional | Conversational |
|---|---|---|
| Source | Lexical semantics | Context + Cooperative Principle |
| Cancelability | Not cancelable | Cancelable |
| Detachability | Non-detachable | Detachable |
| Projection | Projects across negation/embedding | Often blocked by embedding |
Contemporary Research & Criticisms
Modern semantic-pragmatic interfaces have refined Grice’s original taxonomy. Key developments include:
- Lexical vs. Structural Conventions: Some researchers argue that certain implicatures (e.g., from intonation or focus particles) are conventional but not strictly lexical[4].
- Expressives & Conventional Implicatures: Potts (2005) unified conventional implicatures with expressives (e.g., damn, bastard), treating both as side meaning that remains constant under logical operations[3].
- Formal Semantics Integration: Dynamic semantics and type-shifting approaches now model conventional implicatures as monotone non-decreasing operators over information states[5].
- Cross-linguistic Variation: Not all languages encode conventional implicatures via the same lexical items. Japanese ga/wa topic markers and Turkish evidential suffixes show analogous conventional projection properties[6].
See Also
References
- Grice, H. P. (1975). "Logic and Conversation." In P. Cole & J. L. Morgan (Eds.), Syntax and Semantics 3: Speech Acts (pp. 41–58). Academic Press. ↩
- Sperber, D., & Wilson, D. (1986). Relevance: Communication and Cognition. Harvard University Press. ↩
- Potts, C. (2005). The Logic of Conventional Implicatures. Oxford University Press. ↩
- Kratzer, A. (2009). "Making a Parataxis." In A. Chen, E. Coon, C. Fodor & A. Kaltsa (Eds.), The Meaning and Use of Dialect Particles. MIT Working Papers in Linguistics. ↩
- Geurts, B. (2011). "Implicature." In The Oxford Handbook of Philosophy of Language. Oxford University Press. ↩
- Higginbotham, J., & Zimmermann, T. E. (2020). "Cross-Linguistic Perspectives on Conventional Meaning." Linguistics and Philosophy, 43(2), 189–224. ↩