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Poetic Metre Generator

Metre is a pattern of stressed and unstressed syllables, and hearing it is much easier than describing it. Iambic pentameter is five light-heavy pairs; trochaic tetrameter is four heavy-light ones, which is why it drives nursery rhymes along. This assembles lines that fit a chosen pattern exactly, then reads the finished line back to confirm the stresses really do fall where the metre needs them.

What this generator does

Fills the chosen metre one word at a time, taking only words whose own stress pattern fits the syllables still to be filled. The finished line is then read back from its words alone and compared against the metre, so the pattern is confirmed rather than assumed.

How to use this tool

  1. Choose a metre and generate a line.
  2. Read it aloud against the di-DUM pattern shown underneath.
  3. Notice how a two-syllable word can only sit in certain places.
  4. Try each metre in turn and listen for how differently they move.

Understanding the controls

Metre
Iambic runs light-heavy and is the metre of most English verse; trochaic runs heavy-light; anapaestic runs light-light-heavy and gallops.
Seed
Any word reproduces exactly the same line, so an example can be set and returned to.

Common use cases

  • Practising scansion with lines whose pattern is guaranteed
  • Teaching iambic and trochaic metre by ear rather than by definition
  • Warm-up prompts for a poetry workshop
  • Demonstrating why word choice in metrical verse is so constrained
  • Setting the same line twice from a seed

How this generator works

Each word carries its own stress pattern, so a line can be assembled by taking only words that fit the syllables remaining. Rebuilding the pattern from the finished words is the check: it uses the words alone, with no knowledge of the plan that placed them, so a mistake in the assembly would show up as a mismatch rather than passing silently.

Randomness and fairness

Word choice is random within the constraint of the metre; the pattern itself is fixed by the metre you pick. A seed reproduces the same line exactly and is therefore explicitly not cryptographically secure. Without a seed the browser's cryptographically secure generator is used.

For how randomness is produced across the whole site, see how Generate Random works.

Limitations and good to know

  • Words come from a small stress-marked set, so lines will rarely mean very much — the metre is the point, not the sense.
  • English stress is only fixed for words in isolation. In real verse it shifts with context and emphasis, which is why scansion is argued over.
  • Four metres are offered; substitutions such as a trochaic opening to an iambic line are not modelled.
  • No rhyme, and no line-to-line structure — this produces single lines.
  • Lines are not stored between visits; seed one you want again.

Privacy and your data

Lines are assembled in your browser. Nothing about the result or your seed is transmitted or kept.