Assonance in Poetry: Definition, Examples & How to Spot It
Poetic device · 2 poems · 2 annotated examples
What is assonance in poetry? This question often pops up when you notice a line has a musical quality, but you can't quite put your finger on why rhyme alone doesn't explain it all.
Assonance refers to the repetition of the same or similar vowel sounds in nearby words, typically found within the same line or across a couple of lines. The consonants surrounding those vowels can differ completely — that's how assonance stands apart from rhyme. For example, "slow" and "road" share that long *o* sound; they demonstrate assonance, but they don't rhyme.
Poets often employ assonance because vowel sounds carry an emotional weight that's tough to define yet easy to feel. Long, open vowels — like *oh*, *ah*, *oo* — tend to slow down a line and lend it a mournful or expansive quality. In contrast, short, clipped vowels — such as *ih*, *eh*, *uh* — can create a sense of tension or urgency. By weaving the same vowel sound throughout a passage, a poet crafts a kind of sonic glue: the words seem to belong together even if their meanings are diverging.
The effect of assonance is subtler than that of end rhyme. Readers often don't consciously notice it, which is part of its charm. It influences you similarly to how a key change affects music — you sense the shift before you fully grasp it. This subconscious effect is why assonance appears in everything from ancient oral epics to modern free verse. It's a timeless tool, and it continues to resonate.
Annotated examples
Assonance in famous poems, line-by-line
Once upon a midnight dreary, while I pondered, weak and weary,
The only other sound's the sweep Of easy wind and downy flake.
How to spot assonance
What to look for when you read
Assonance often hides in plain sight, so it’s important to listen as much as read. Here’s a handy checklist:
1. **Read the lines aloud.** Assonance is a sound device — your ear can catch a pattern that your eye might miss.
2. **Isolate the stressed vowels.** Highlight the vowel sound in each stressed syllable. If the same sound repeats two or more times nearby, that’s assonance.
3. **Check that the consonants are different.** If the ending consonants match as well, you have rhyme (or near-rhyme). Assonance only needs the vowel to repeat.
4. **Look for words inside the line, not just at the ends.** End rhymes are easy to spot; assonance often appears in the middle of a line where it’s less noticeable.
5. **Notice the emotional tone.** Long vowels (*oh*, *oo*, *ah*) often suggest slowness, grief, or awe. Short vowels (*ih*, *eh*, *uh*) typically indicate tension or speed. If the mood of a passage feels unusually consistent, assonance might be at play.
6. **Watch for clusters.** Three or more words sharing a vowel sound in a short section is a strong indication that the poet made a deliberate choice.
How to write with assonance
A practical guide for poets
Here are three practical ways to apply assonance in your own poems:
1. **Select a vowel that aligns with your emotional intent, then craft your word choices around it.** For a line that feels heavy and slow, opt for long *o* or *oo* words. If you want to create a sense of urgency, use short *i* or *e* words. For example: *The moon loomed low over the cold stone road.*
2. **Employ assonance to connect two seemingly unrelated images.** Weaving the same vowel through two different nouns establishes a subtle relationship between them. For instance: *The bride's white veil, the knife's bright gleam — both caught the light.*
3. **Alter the vowel sound between stanzas to indicate a change in tone.** Start one stanza with long *ah* sounds and transition to short *ih* sounds in the following one. While the reader may not consciously notice the shift, the emotional atmosphere will change. For example: *She called across the dark, calm lake — / then slipped, and the ship's rigging snapped and split.*
More poems using assonance
Curated from the public-domain corpus