Dead Metaphor
Pattern
Metaphor→literal usage — figurative origin forgotten
Definition
A metaphor that has been used so frequently that speakers no longer perceive the figurative comparison. The metaphorical origin is forgotten and the expression is processed as literal. A specific mechanism of semantic bleaching.
Examples
Example 1
She grasped the concept immediately.
The physical act of grasping (seizing with the hand) is no longer perceived — "grasp" simply means "understand" in this context
Example 2
The company is navigating unprecedented challenges.
"Navigating" originally referred to steering a ship — now a dead metaphor for "dealing with." AI text is saturated with this usage.
Example 3
We need to shed light on this issue.
"Shed light on" — the metaphor of illumination removing darkness is so conventionalized that no one pictures actual light
AI Detection Note
AI text is saturated with dead metaphors because they are the most common collocations in its training data. 'Navigate challenges', 'drive innovation', 'build on foundations', 'shed light on' — human writers who revive or subvert dead metaphors signal genuine stylistic awareness.
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