What is an example of metonymy and metaphor?

"All the world's a stage" is a metaphor (Shakespeare, As You Like It, 1599). "The pen is mightier than the sword" is a metonymy (Bulwer-Lytton, Richelieu, 1839). The two lines look like the same kind of figure and aren't. One says the world is like a stage so the qualities transfer across. The other swaps the pen for writing because the pen is the instrument of it. Similarity versus real-world attachment is the whole distinction, and once it lands the borderline cases stop being borderline.

What's the Actual Difference Between a Metaphor and a Metonymy?

Metaphor (a trope of comparison; one thing said to be another to carry qualities across) and metonymy (a trope of association; one thing substituted for another it's closely tied to in the world) work by different mechanisms. Trope here means a figure of meaning, where a word stands for something other than itself, as opposed to a scheme, which rearranges words without changing what they mean.

Take "All the world's a stage" again. The world and a stage are not connected in any practical way. They are unlike things, and the figure asserts a likeness between them so qualities from one (performance, scripted roles, audience, exits) move onto the other. That transfer is the move the figure makes. The Greek root meta-pherein means literally "to carry over," and the reader does the work of finding the shared qualities.

Now take "The pen is mightier than the sword." A pen and writing are not alike. The pen is the tool writing is done with. The sword and military force are not alike either. The sword is the weapon force is exerted with. Bulwer-Lytton substitutes the instrument for the thing the instrument does. Nothing is being compared. One word stands in for another it touches in the real world.

The handbook names for the two relationships are similarity and contiguity: being like something versus being next to or attached to it. Plain English does most of the work; the technical terms are shorthand for the same distinction.

	Metaphor	Metonymy
Mechanism	Compares unlike things by asserting one is the other	Substitutes a thing for something it's closely connected to
Relationship	Similarity (qualities transfer across)	Contiguity (real-world attachment)
Example	"All the world's a stage" (Shakespeare, As You Like It, 1599)	"The pen is mightier than the sword" (Bulwer-Lytton, Richelieu, 1839)

How Do I Tell Them Apart in a Sentence?

Ask one question of the substituted word: is it like the original, or attached to it? Like means metaphor. Attached to means metonymy.

"My lawyer is a shark." The lawyer is not a shark. The lawyer is like a shark in a specific way: aggressive, predatory, hard to fight off. The qualities of one are carried onto the other. Metaphor.

"The White House issued a statement." The building did not write the statement. The administration that works inside the building did. The building is not like the administration. It houses it, and that physical attachment is what licenses the substitution. Metonymy.

The test in one line: substitute by similarity is metaphor; substitute by attachment is metonymy.

Did you know? Roman Jakobson, in 1956, framed metaphor and metonymy as the two basic axes of language: similarity and contiguity. He pointed out that some forms of aphasia disrupt one axis but not the other. Patients who lose access to similarity-based substitution can still produce metonymies, and vice versa. That is part of why the distinction has held up as a structural one rather than a stylistic preference. (Jakobson, "Two Aspects of Language and Two Types of Aphasic Disturbances," 1956.)

What Are More Examples of Each, from Real Writing?

The examples below alternate. Each is sourced; each gets one sentence on what the figure is doing in that line that another phrasing would not.

• Metaphor. "The manacles of segregation" (King, "I Have a Dream," 1963). Segregation is not literally a set of metal restraints, but the figure carries the physical weight, the locked-on permanence, and the visible cruelty of manacles onto a legal arrangement that otherwise reads as policy.

• Metonymy. "Hollywood announced its summer slate." Hollywood is a neighborhood in Los Angeles, not a film industry. The industry is headquartered there, and the place stands in for the institution that occupies it. The reader feels no comparison. They feel a substitution by location.

• Metaphor. "Time is money" (Franklin, Advice to a Young Tradesman, 1748; later catalogued by Lakoff and Johnson, Metaphors We Live By, 1980, as a conceptual metaphor that organizes how English speakers reason about time, with verbs like spend, save, and waste). Time and money are unlike, but the qualities of money (finite, measurable, exchangeable, lost when not used) get carried onto time and quietly govern how we talk about it.

• Metonymy. "Wall Street is jittery this morning." Wall Street is a street in lower Manhattan. The financial markets concentrated there get named by the street they sit on. The headline is not saying the markets are like the street. It is using the street as the address for the institution.

• Metaphor. "Their love had been a thing of dust" (Morrison, Beloved, 1987). Love is not dust, but Morrison transfers the dryness, the lifelessness, and the disturbed-by-a-breath fragility of dust onto a relationship in a single phrase, faster than a paragraph of description would manage.

• Metonymy. "The crown" for the monarch (Shakespeare, Henry V, 1599: "Uneasy lies the head that wears a crown"). The crown is the object the monarch wears; over time the object stands in for the office. By the modern era, "the crown" routinely means the institution of the monarchy itself, with no felt comparison left.

• Metaphor. "Argument is war." Lakoff and Johnson again, on a metaphor so settled in English that it generates the verbs we use without noticing: positions are defended, claims are attacked, criticisms are on target, arguments are won or lost. Argument is not literally war. The figure has organized the vocabulary anyway.

• Metonymy. "Lend me your ears" (Shakespeare, Julius Caesar, 1599). Antony asks for the ears, the bodily organ of listening, in place of the act of listening itself. Ears are not like attention. They are the instruments of it. (See the next section on whether this is technically metonymy or its close cousin synecdoche.)

What About Synecdoche? Isn't That Also Metonymy?

Yes, sometimes. Handbooks split. Synecdoche (a figure where a part stands for the whole, or the whole for a part) gets treated by some traditions as a special case of metonymy and by others as its own figure. Scholars disagree, and they have for a long time.

The clean part-for-whole examples are familiar: "all hands on deck" (hands for sailors), "new wheels" (wheels for car), "boots on the ground" (boots for soldiers). The whole-for-part runs the other direction: "Germany lost in extra time" (the country for the football team). In all of these, the substitution is by physical part-and-whole, not by the looser real-world attachment that powers metonymies like "Hollywood" or "the crown."

The strict view, going back to classical handbooks like Quintilian's Institutio Oratoria (Book 8), keeps synecdoche separate: synecdoche is part-and-whole, metonymy is everything else by association (cause-for-effect, container-for-contained, instrument-for-action, place-for-institution). The loose view, common in modern criticism, folds synecdoche into metonymy on the grounds that part-and-whole is just one specific kind of contiguity. Both views are defensible. "Lend me your ears" gets cited under both labels depending on whose handbook you've opened.

For most working purposes, the line worth keeping clean is the one between metaphor and metonymy. The line between metonymy and synecdoche is finer, the cases sit close together, and good writing slips between them without losing its footing. The test (similarity versus contiguity) is sharp enough that the figure-name argument almost always settles, even when the metonymy-versus-synecdoche label stays fuzzy. If you have named one thing for something it is like, you have a metaphor. If you have named it for something it is attached to in the world, you have a metonymy, by either the strict or the loose definition. That is the call you actually need to make in a sentence.

Part-for-whole and whole-for-part substitution is its own figure with its own canonical examples, including "all hands on deck" and the body-part patterns Antony's "ears" line points toward. A stripped-down comparison of metaphor and metonymy lays out the same distinction without the worked examples, useful when the side-by-side definitions are what you need.