A conceit is an extended metaphor that develops a surprising comparison across an entire poem or passage, exploring the likeness in sustained detail. Where a metaphor makes a single connection (“life is a journey”), a conceit commits to the comparison and draws out its implications — pursuing the logic of the likeness further than the reader expects.
The most famous conceits are the Metaphysical conceits of the seventeenth century, especially John Donne’s. In “A Valediction: Forbidding Mourning,” Donne compares two lovers’ souls to the two legs of a drawing compass — one stays fixed while the other moves, and the moving leg traces a perfect circle only because of the fixed one. The comparison is unexpected (lovers and compasses?) but, once developed, startlingly precise.
Conceits work by making the reader see the familiar through the strange. The surprise of the initial comparison earns the reader’s attention; the sustained development rewards it. If the comparison is merely clever — inventive but not illuminating — the conceit collapses into decoration. If it reveals something about both sides of the comparison that the reader hadn’t seen, it earns its length.
Contemporary poetry uses conceits less ornately than the Metaphysicals but no less often. Any poem that sustains a single comparison across its length — treating a relationship as a house being renovated, treating grief as a landscape, treating a city as a body — is using a conceit. The principle is the same: commit to the comparison, and discover what it knows.
Related terms
- metaphor — a conceit is an extended metaphor
- figurative language — the broader category
- imagery — conceits generate sustained imagery from their central comparison