AP® English Literature and Composition review sheet from Aim for Five (aimforfive.com/lit/units/8/8-4)
Unit 8 · Topic 8.4
8.4 Conceits and layered comparisons
A conceit is an extended metaphor that builds a surprising, even far-fetched comparison over several lines, like John Donne comparing two parted lovers to the legs of a drawing compass. Conceits often link a person or a feeling with something from the natural or physical world. When a poem stacks several comparisons, ask how each one changes the way you read the others.
Key terms
- conceit
- extended metaphor
- metaphysical poetry
- tenor and vehicle
- comparison
What makes a comparison a conceit
Every metaphor has two parts. The tenor is the real subject (what the poem is about). The vehicle is the thing it's compared to. In a conceit, the vehicle is unexpected, and the poet develops it in detail, working out several points of likeness.
The 17th-century poets later called the Metaphysical poets, such as John Donne and George Herbert, are famous for conceits that use science, maps, tools or theology to describe love and faith. The surprise forces you to think hard about how the two things could possibly be alike, and that thinking is where the poem's argument happens.
Donne's compass
In "A Valediction: Forbidding Mourning" (published 1633), a speaker about to travel tells his beloved not to grieve. Their souls, he says, are joined like "stiffe twin compasses," the two legs of the tool used to draw circles. The early text keeps Donne's old spelling.
Her soul is "the fixt foot," which stays in the center but "leanes, and hearkens after" the other foot as it travels, then "growes erect, as that comes home." His soul is the moving foot that draws the circle. The conceit ends: "Thy firmnes makes my circle just, / And makes me end, where I begunne." Her steadiness lets him draw a perfect circle and return to where he started, which is with her.
The comparison seems strange at first: a drafting tool for a love poem. But every detail does work. The compass shows two separate parts that are still one object, connected even when apart.
Layered comparisons
Some poems stack several comparisons for the same subject. Each new one adds a shade of meaning, and the order matters. Shakespeare's Sonnet 73 (1609) compares the aging speaker to three things in turn: a tree in late autumn, the twilight after sunset, and a fire burning down to ashes. Each one is shorter than the last, a season, then part of a day, then the final moments of a fire. The layering makes time feel like it's running out faster and faster.
| Quatrain | Vehicle | What it adds |
|---|---|---|
| Lines 1–4 | A tree in autumn with few leaves, "Bare ruin'd choirs" | Age as a season; lost beauty and song |
| Lines 5–8 | Twilight fading into night | Age as the end of a day; night as "Death's second self" |
| Lines 9–12 | A fire dying on its own ashes | Age as burning out; youth itself becomes what smothers the fire |
Worked examples
Try each one yourself first, then open the solution.
- Example 1
Analyzing layered comparisons
In Sonnet 73, the third comparison describes "the glowing of such fire, / That on the ashes of his youth doth lie, / As the death-bed, whereon it must expire, / Consum'd with that which it was nourish'd by." Explain how this comparison changes the meaning of the two before it, and how it leads to the closing couplet: "This thou perceiv'st, which makes thy love more strong, / To love that well, which thou must leave ere long."
Show the solutionHide the solution
- Step 1: Recall the earlier vehicles: autumn and twilight are both things that pass and come back (another spring, another morning).
- Step 2: Notice what's different about fire: a fire doesn't return. It burns on "the ashes of his youth," so what once fed it now smothers it. That's a paradox: "Consum'd with that which it was nourish'd by."
- Step 3: Track the progression: year, day, the last glow of a fire. The time span shrinks and the ending becomes final.
- Step 4: Connect to the couplet: because the listener sees how near the end is, their love grows stronger. The comparisons build the case for that conclusion.
Answer: Sample answer: The fire image completes Shakespeare's argument by removing any hope of return. Autumn and twilight both come back in a cycle, but a fire lying on "the ashes of his youth" can only go out, and the line "Consum'd with that which it was nourish'd by" turns youth itself into the fuel that runs out. As the comparisons shrink from a season to an evening to a last glow, the reader feels the speaker's time narrowing. That urgency sets up the couplet: the listener loves "more strong" precisely because the loss is near, so the sonnet becomes an argument that knowing love is temporary makes it more intense.
Common mistakes
- Calling any metaphor a conceit. A conceit is extended and surprising, developed over several lines.
- Identifying the comparison without working out the specific points of likeness. Explain what each detail of the vehicle says about the tenor.
- Treating stacked comparisons as interchangeable. Ask why they come in this order.
On the exam
- Multiple-choice questions may ask what a detail of an extended comparison suggests, or how a later comparison develops an earlier one. Map each part of the vehicle onto the tenor.
- Metaphysical poems with conceits are a common type for the poetry essay. Walk through the conceit step by step and keep asking what each step argues.
Connected topics
Videos
Check yourself
4 questions on 8.4 Conceits and layered comparisons. Pick an answer to see if you got it, and why.
John Keats, "On First Looking into Chapman’s Homer," Poems (1817). George Chapman published an English translation of Homer’s epics in the early 1600s. "Fealty" (line 4): loyalty owed to a lord. "Demesne" (line 6): realm. "Serene" (line 7): clear air. "Ken" (line 10): range of sight. Darien (line 14) is in Panama.
In lines 1–8, the speaker describes his reading as travel through “the realms of gold” and “many goodly states and kingdoms.” This extended metaphor presents reading poetry as
The two similes in lines 9–14, an astronomer finding “a new planet” and “stout Cortez” staring at the Pacific, work together to
Claude McKay, "America," Harlem Shadows (1922)
The images in lines 1–2, “bread of bitterness” and “her tiger’s tooth,” present America as
The simile “as a rebel fronts a king in state” (line 8) characterizes the speaker’s stance as
0 of 4 answered