Explanation
A mixed metaphor arises when an utterance abruptly shifts between image logics whose concrete structures cannot readily coexist. In “grasp the knot at its root,” untying a knot collides with taking hold of a plant by its root. The break may produce unintended comedy because automatised metaphors suddenly become pictorial again. It may also be deliberate, used to disturb settled imagery, juxtapose perspectives, or represent a crisis of thought. Not every combination of metaphors is defective; the decisive question is whether their source domains conflict within the locally activated scene. The concept leads from apparently fluent imagery toward its construction and reveals where linguistic figures carry spatial, causal, and practical expectations of their own.
Movement of thought
1. An utterance first opens an image domain whose objects, movements, and consequences organise an abstract claim perceptually. 2. Within the same local context, a second image domain demands an action or structure incompatible with the first. 3. Listeners attempt to realise both models and recognise the previously unnoticed construction when integration fails or becomes comic. 4. A counter-test asks whether incompatibility is genuine or whether convention or deliberate creativity supports a coherent integration. 5. The claim returns either as accidental comic collision or purposeful disturbance that exposes the boundaries of its images.
Scientific use case
Metaphor analysis and corpus linguistics annotate source domains, local activation, and recipient responses. Experiments test when mixtures pass unnoticed, cause humour, or support creative multiple perspective.
Example
“After months of headwind, we must pull this stalled course out of the swamp.” Sea travel, a disabled vehicle, and marshland impose competing practical logics.
Counterexample
“We must grasp the problem at its root” sustains a conventional plant image. The fact that words also have literal uses elsewhere does not by itself produce a mixed metaphor.
Distinction
Distinguish mixed metaphor from a change of image across separate passages, conventional combinations, and conceptual blending that supports an integrated emergent space. A local clash of active image logics is central.
Effect on thought and perception
Mixed metaphor interrupts automatic imagery and exposes the constructed limits of figures through comedy, disruption, or deliberate montage.
Resonance
Two image domains collide; their dissonance illuminates the spatial and causal expectations that each metaphor brought into discourse.
Cite this entry
Reich, Michael (Hrsg./ed.): „Mixed metaphor“. Atlas der Sprache, AT-METZ1-0011. ATLAS 260, data model 1.6.0. https://atlasoflanguage.com/concept/AT-METZ1-0011The address remains stable; editorial content may evolve. Editorial reading state: 2026-10-15. Include your access date for precise references.
Historical background
Bergson explains a comic effect produced by taking figurative wording literally and drawing attention to its concrete image. The authorised Brereton and Rothwell translation was inspected. This offers a comparison for mixed metaphor by examining a shift between figurative meaning and an imagined scene. It does not, however, establish the narrower mechanism of combining incompatible images. Bergson’s general claim that words begin with concrete meanings is not adopted here as verified etymology.
How conceptual history changes the analysis
Reconstruct the image invited by each expression and test their combination. Comic literalisation may remain within one image; a mixed metaphor requires an incompatible shift.
References for the historical section
- Henri Bergson, Laughter, authorised English translation by Cloudesley Brereton and Fred Rothwell; Gutenberg transcription, print edition date not established · Chapter II: literal treatment of figurative expressions
Selected historical witness, not a complete genealogy or a first English attestation. Atlas comparisons and applications are original editorial interpretations. Authorised English translation; the original French and print edition have not been collated. Bergson’s general theory of comedy is an attributed philosophical account, not an experimentally established universal law.