Catalexis
Quick answer: Catalexis is the omission of expected syllables at the end of a metrical line. Learn how catalectic lines work and why poets cut a foot short on purpose.
Catalexis is the deliberate omission of one or more unstressed syllables at the end of a metrical line, leaving the final foot incomplete. A line shortened this way is called catalectic. The device appears most often in trochaic and dactylic verse, where dropping the soft final syllable lets the line end on a stress instead of trailing away.
Far from being a flaw, catalexis is one of the oldest tools in the metrist's kit. A trochaic line that ends DUM-da can feel unfinished, like a sentence ending on 'the'; clip the last syllable and the line closes with a snap. Whole famous poems are catalectic almost throughout, and readers feel the effect long before they learn the name.
How It Works
Take a full trochaic tetrameter, eight syllables: 'Every window burning amber.' Now the catalectic version, seven syllables ending on a beat: 'Every window burning gold.' Both are tetrameter, but the second lands harder because the missing unstressed syllable leaves a stress at the cliff edge. Scansion marks the absence as a rest, the way music notates a silent beat. Catalexis is defined against its opposite: an acatalectic line is complete, and a hypercatalectic line carries an extra syllable beyond the pattern.
Where You Will See It
Blake's 'The Tyger' is the schoolroom example: most of its lines are trochaic tetrameter catalectic, seven syllables ending on a stress, which gives the poem its hammered, forge-like beat. Poe's 'The Raven' alternates full trochaic octameters with catalectic ones. Much trochaic verse in English behaves this way, because the language's shortage of natural double-syllable endings makes full trochaic closes hard to sustain. Classical Greek and Latin metrics, where the term originated, used catalexis systematically in choral and dramatic metres.
How to Use It in Your Own Poems
If you write trochaic verse, treat catalexis as your default line ending and the full ending as the marked choice. A catalectic close suits statements, commands and images you want to ring; a full trochaic ending suits hesitation and dying falls. Try alternating the two across a stanza and listen to the difference in finality. Deliberate control of line endings is exactly the kind of structural decision a careful reader spots, and contest scorers at Writory, reading for structure, tend to reward endings that feel chosen rather than accidental.
What poets can take from this
- In trochaic verse, end on a stress (catalectic) for emphasis and a full foot for softness.
- Scan your line endings during revision; know which lines are clipped and why.
- Use catalexis at stanza ends to close units with a firm beat.
- Do not mix clipped and full endings randomly; make the alternation mean something.
- Remember the missing syllable is a rest: read catalectic lines with a tiny silence at the end.
Try it yourself
Write two versions of the same eight-line trochaic poem about a blacksmith, one with every line full, one with every line catalectic, then combine the strongest endings into a final draft.
Questions
What is a catalectic line?
A line whose final foot is missing its expected unstressed syllable or syllables. Trochaic tetrameter catalectic, for instance, has seven syllables instead of eight and ends on a stressed beat.
What is the difference between catalexis and acatalexis?
Catalexis removes syllables from the end of the metrical pattern, while an acatalectic line is metrically complete. Hypercatalexis goes the other way, adding an extra syllable beyond the pattern.
Why is catalexis common in trochaic poetry?
English sentences rarely end on unstressed syllables naturally, so full trochaic endings are hard to keep up. Clipping the final syllable lets trochaic lines end on stressed words, which sounds emphatic rather than incomplete.
By the Writory editorial team, reviewed by working poets. Updated July 2026.
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