What Is an Anachronism in Fiction?
Quick answer: An anachronism is anything in a story that belongs to the wrong time period, from objects to attitudes to idioms. Types, famous examples and how to avoid them.
An anachronism is anything in a story that does not belong to its time period: an object, word, custom, attitude or event placed outside the era where it existed. A wristwatch in ancient Rome is the textbook case, and Shakespeare supplied a real one, a striking clock in Julius Caesar, some fourteen centuries before mechanical striking clocks. Anachronisms can be accidents that break a reader's trust or deliberate tools for comedy and comment.
The word comes from Greek, ana (against) and chronos (time). For writers of historical fiction it names the craft's central occupational hazard, because the deadliest anachronisms are not objects at all. Getting the swords right is easy. Keeping twenty-first-century opinions out of fourteenth-century heads is the hard part.
The longer answer: three species, rising in danger
Object anachronisms are the visible kind: the potato in medieval England (it reached Europe only after contact with the Americas), the zip fastener before 1913, the telegram after telegrams stopped. Readers love catching these, and a certain kind of reader hunts them for sport, but they are also the most fixable, since a reference book settles every case.
Language anachronisms are subtler. Characters in 1810 who say 'okay' (attested from the 1830s) or Victorians who describe themselves as 'stressed' jolt the reader's ear. The trap is double-sided, though: perfectly period-accurate slang can sound wrong to modern readers, while some genuinely old words sound modern. Most historical novelists aim for an unobtrusive middle register rather than museum-piece dialogue.
Attitude anachronisms are the deepest and the most debated. A medieval heroine with frictionless modern views on marriage, medicine and hierarchy is out of her time as surely as if she carried a phone. The honest solutions are harder and better: find the real dissenters history did produce, or let a character strain against their era's limits in their era's own terms. Hilary Mantel's Thomas Cromwell persuades precisely because his intelligence operates inside Tudor assumptions, not above them.
Famous cases, accidental and deliberate
Shakespeare's clock striking in Julius Caesar is the classroom classic, joined by the doublets and hats his Romans casually wear. Elizabethan theatre simply did not prize period accuracy; the past was staged in present dress. The lesson is that anachronism is partly a matter of what an audience has been trained to expect.
Deliberate anachronism has a distinguished history of its own. Mark Twain built an entire novel on it in A Connecticut Yankee in King Arthur's Court (1889), crashing a nineteenth-century engineer into Camelot to satirise both eras at once. Modern storytellers use the same switch for energy and comment: a period drama scored with contemporary music, or dialogue that refuses museum diction on purpose, tells the audience this past is about the present.
The trick with deliberate anachronism is consistency of contract. If the story signals early and clearly that time will be played with, audiences relax and enjoy it. If a single modern idiom leaks into an otherwise scrupulous period piece, the same audience files it as error. Identical technique, opposite verdicts, all in the setup.
Keeping your own timeline clean
Verify nouns as you draft. Any object, food, technology or institution your character touches gets a quick date-check; etymology sites and period newspapers settle idioms in seconds. Keep a running list of checked items so revision does not repeat the work.
Read primary sources for texture, not just facts. Letters, diaries and advertisements from your period teach you what people noticed, feared and found funny, which inoculates you against attitude anachronism far better than any encyclopaedia summary. An hour with real 1900s letters recalibrates your dialogue more than a week of secondary reading.
Then decide your accuracy contract and state it through craft. Scrupulous realism, light stylisation or open play are all defensible; the failure mode is drifting between them unannounced. And when accuracy and story collide, remember what historical novelists have always known: readers forgive a compressed timeline sooner than a dead scene, provided the emotional history stays true.
Misconceptions
Not every modern word is an anachronism. Historical characters did not speak modern English at all, so all historical dialogue is translation; the question is whether the translation preserves the period's mental furniture. Chasing total linguistic authenticity produces pastiche nobody can read.
Anachronism is not only a historical-fiction problem. Contemporary stories acquire anachronisms as they age, and near-future stories acquire them backwards when reality overtakes the draft. Even fantasy has an internal version: a secondary world with medieval technology and unexamined modern institutions is anachronistic against itself.
And an anachronism is not automatically a flaw. It is a flaw when unintended and a device when governed. The reader's question is never whether time was bent, but whether the author bent it on purpose, and made the purpose felt.
What poets can take from this
- Check the etymology of any idiom your period characters use; slang is the commonest leak.
- Remember imports: foods, fabrics and animals all have arrival dates in each region.
- Give period characters period problems; modern anxieties in costume read falsest of all.
- If you bend history deliberately, bend it early so readers learn the rules.
- Keep a dated fact-file per story; your future revising self will thank you.
Try it yourself
Write a 300-word market scene set in a year of your choice before 1900. Then swap one object, one phrase and one attitude for modern equivalents and reread. Notice which of the three substitutions damages belief most; for most readers it is the attitude.
Questions
Are anachronisms always mistakes?
No. Deliberate anachronism is a respected device for satire, comedy and thematic comment, from Twain's Connecticut Yankee onward. It succeeds when the audience can tell the displacement is intentional, which is a matter of clear and early signalling.
What is the opposite of an anachronism?
Strict period accuracy has no single famous antonym, but related terms exist: verisimilitude covers the feel of correctness, and 'prochronism' names one direction of the error, placing a thing earlier than it existed. Most editors just say the detail is in period or out of it.
How do historical fiction writers avoid anachronisms?
Layered checking: reference works for objects and dates, etymology dictionaries for language, and primary sources such as letters and newspapers for attitudes. Many also hire period-literate beta readers, since fresh eyes catch the leaks a researcher has stopped seeing.
By the Writory editorial team, reviewed by working poets. Updated July 2026.
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