Richards’ Interaction Theory of Metaphor: Tenor and Vehicle

In the study of metaphor, one of the foundational contributions came from I.A. Richards (1936) in his work The Philosophy of Rhetoric.

Richards moved metaphor theory beyond ornamentation and decoration (as emphasised in classical rhetoric) and proposed a dynamic view in which metaphors are understood as an interaction between two components: the tenor and the vehicle.

Defining Tenor and Vehicle

Richards defined the tenor as the underlying subject or concept that the metaphor seeks to illuminate, while the vehicle is the image or idea through which the tenor is expressed. In the metaphor “time is a thief,” the tenor is time, and the vehicle is thief. The metaphor draws its meaning from the interplay between these two elements.

In every metaphor there are two thoughts of different things active together and supported by a single word, or phrase, whose meaning is a resultant of their interaction.
– I.A. Richards, The Philosophy of Rhetoric (1936)

The Tension Between Tenor and Vehicle

The power of a metaphor lies not in the direct substitution of one word for another, but in the tension or interaction between the tenor and the vehicle. The reader or listener must negotiate the similarities and differences between the two domains, discovering new meaning through their juxtaposition.

This tension resists full resolution: the metaphor is not a literal equivalence but a productive gap that stimulates new ways of understanding. For example, describing time as a thief suggests loss, stealth, and irreversibility, while simultaneously acknowledging that time is not a literal criminal agent. The tension compels the audience to explore the metaphor’s implications, generating layered and often novel insights.

Significance in Metaphor Theory

Richards’ Interaction Theory marked a turning point in metaphor scholarship. Instead of viewing metaphor as ornamental language (as Aristotle had argued), Richards highlighted its cognitive and semantic productivity.

This view paved the way for later developments, including Max Black’s elaboration of the interaction theory in the mid-20th century and, eventually, the Conceptual Metaphor Theory of Lakoff and Johnson (1980).

Applications Beyond Literature

The tenor–vehicle framework is still applied in modern disciplines such as linguistics, discourse analysis, and psychotherapy. For instance, in therapeutic contexts, metaphors often emerge spontaneously from clients: the tenor might be their experience of depression, while the vehicle could be a metaphor like “a heavy weight” or “a dark cloud.”

The therapist works with the tension between these elements to uncover implicit meanings, identity structures, or coping mechanisms.

Diagram showing Richards’ Tenor and Vehicle (Subject/Concept and Image/Expression) as labelled boxes, connected by a double-headed arrow labelled Interaction Theory of Metaphor or Interaction/Tension. | Andrew T. Austin | Metaphors of Movement

Richards’ Interaction Theory reframed metaphor as a process of negotiation between subject and image, opening the door for richer accounts of how metaphors function in thought and language. The tension between tenor and vehicle is not a flaw but the very mechanism by which metaphors stimulate interpretation, creativity, and new understanding.

References

  • Richards, I.A. (1936). The Philosophy of Rhetoric. Oxford University Press.
  • Black, M. (1962). Models and Metaphors: Studies in Language and Philosophy. Cornell University Press.
  • Lakoff, G., & Johnson, M. (1980). Metaphors We Live By. University of Chicago Press.