Updated August 13, 2026 · Prose & Poetry Editorial Team
A sonnet is a fourteen-line poem shaped by a recognizable formal design. The form has developed through several traditions, especially the Italian or Petrarchan sonnet and the English or Shakespearean sonnet. Rhyme scheme, stanzaic grouping, meter, and the placement of the volta — the poem’s turn in thought or argument — give each tradition its characteristic movement.
Sonnets have carried love, political argument, religious meditation, grief, satire, self-examination, and philosophical reflection for centuries. Their compact scale makes structure unusually visible: a reader can often hear the poem establish a problem, pressure it through rhyme and syntax, then change direction within fourteen lines.
| Form | Typical structure | Common rhyme pattern |
|---|---|---|
| Petrarchan sonnet | Octave + sestet | ABBAABBA + variable sestet |
| Shakespearean sonnet | Three quatrains + couplet | ABAB CDCD EFEF GG |
| Spenserian sonnet | Three linked quatrains + couplet | ABAB BCBC CDCD EE |
| Contemporary sonnet | Fourteen-line form with inherited or adapted structure | Traditional, altered, or partially loosened patterns |
What is a sonnet?
The sonnet is one of the most durable short forms in European and English-language poetry. Fourteen lines provide enough space for development while keeping every structural decision under pressure. A sonnet can unfold as argument, dramatic address, lyric meditation, narrative moment, or sequence of images.
The form’s identity comes from the interaction of line count, rhyme, meter, syntax, and turn. Individual sonnets can vary one or more of these features while remaining legible against a recognizable tradition.
Why does a sonnet have fourteen lines?
Fourteen lines became the defining scale of the form through the Italian tradition and its later adaptations. The number creates useful internal proportions. Petrarchan sonnets commonly divide into eight lines and six lines. Shakespearean sonnets commonly divide into three four-line units and a final two-line couplet.
Those proportions give poets a built-in architecture for development. Eight lines can establish a situation before six lines reconsider it. Three quatrains can build successive stages before a couplet delivers compression, reversal, epigram, or closure.
Petrarchan sonnet
The Petrarchan sonnet, also called the Italian sonnet, commonly uses an octave followed by a sestet. The octave frequently follows ABBAABBA. The sestet allows more variation, including CDECDE, CDCDCD, CDEDCE, and related patterns.
The octave often develops an image, conflict, question, desire, or intellectual problem. The sestet changes the poem’s pressure through response, reconsideration, consequence, or a new angle. The transition between those movements is a natural location for the volta.
Shakespearean sonnet
The Shakespearean sonnet, also called the English sonnet, typically uses ABAB CDCD EFEF GG. Three quatrains develop the poem in stages and the final couplet gives the ending exceptional weight.
Shakespeare’s Sonnet 18 begins with a direct comparison — “Shall I compare thee to a summer’s day?” — and develops that comparison through the quatrains before its concluding couplet converts poetic memory into a claim about endurance. The structure makes the final two lines feel earned by the argument that precedes them.
For the relation between this form and five-beat English verse, see the guide to iambic pentameter.
Spenserian sonnet
The Spenserian sonnet links its quatrains through the rhyme pattern ABAB BCBC CDCD EE. The interlocking rhymes create stronger continuity between the poem’s three four-line sections. The closing couplet remains distinct, while the linked rhymes make the preceding movement feel more continuous than in the Shakespearean pattern.
Sonnet rhyme schemes
Rhyme scheme provides one of the quickest ways to recognize a sonnet tradition. ABBAABBA strongly suggests an Italian octave; ABAB CDCD EFEF GG signals the Shakespearean pattern; ABAB BCBC CDCD EE points toward Spenser.
The deeper guide to rhyme scheme explains how letter notation records recurring end sounds across poems and stanzas.
The volta: how a sonnet turns
The volta is a change in the poem’s thought, emotional direction, argument, image, or rhetorical stance. It can be signaled by a conjunction, a new sentence, a shift in tense, a change of speaker, or a sudden reinterpretation of what came before.
In Petrarchan sonnets, the octave-sestet division creates a strong structural location for the turn. In Shakespearean sonnets, the turn can emerge earlier, develop across the third quatrain, or sharpen in the closing couplet. Reading for the volta reveals how form participates in meaning.
Meter in sonnets
English sonnets often use iambic pentameter, especially in the Shakespearean tradition. Five recurring iambic feet give the line a stable rhythmic expectation while substitutions, pauses, enjambment, and speech stress keep the verse flexible.
A sonnet’s meter should be read across several lines. The broader guide to meter in poetry explains feet, line lengths, scansion, and variation.
How to analyze a sonnet
- Count the lines. Confirm the fourteen-line frame.
- Mark the rhyme scheme. Identify recurring end sounds and group the lines accordingly.
- Find the structural divisions. Look for octave and sestet, quatrains and couplet, or another deliberate grouping.
- Locate the volta. Identify where the poem changes direction in thought, feeling, syntax, or imagery.
- Scan representative lines. Hear the governing meter and mark meaningful departures.
- Track repeated images and words. Sonnet compression often makes recurrence highly consequential.
- Read the ending against the opening. Ask what the final lines have changed, resolved, intensified, or left unsettled.
Famous sonnet examples
Shakespeare’s Sonnets 18, 29, 116, and 130 remain widely taught examples of the English pattern. Petrarch’s Canzoniere established the Italian sequence as a major European model. Elizabeth Barrett Browning’s Sonnets from the Portuguese, Gerard Manley Hopkins’s compressed experiments, and later modern adaptations show how the form can survive through transformation.
These poems use the fourteen-line frame for very different purposes: praise, desire, religious pressure, self-reproach, irony, philosophical argument, and changing conceptions of love. The form supplies a common architecture while voice and historical moment reshape its possibilities.
Danil Rudoy: two contemporary Petrarchan-style sonnets
Danil Rudoy includes two explicitly titled sonnets in Love Is Poetry: Rhyming Poems About Love Life. Both “Sonnet I” and “Sonnet II” use fourteen lines arranged as an octave and sestet.
Their shared rhyme scheme is ABBAABBA CDECDE. In “Sonnet I,” the octave circles around inward pain, sin, elusion, and the persistence of a name; the sestet turns toward storytelling, poetic perfection, solace, and the possibility of ending. “Sonnet II” uses the same architecture for a different emotional movement: its octave presents fascination and self-derision, while the sestet turns toward a lesson about obsessive love and an unstable freedom that still leaves “my spirit” wavering.
The pair demonstrates how a contemporary poet can preserve a recognizable Petrarchan rhyme architecture while filling it with modern diction, psychological irony, and self-conscious reflection on poetic form.
Sonnet, stanza, and other fixed forms
A sonnet is a complete fourteen-line poem. A quatrain or sestet can function as one section inside a sonnet or as an independent stanza elsewhere. Villanelles, sestinas, ballads, and other fixed forms use different organizing principles and lengths.
The wider types of poetry guide places the sonnet beside lyric, narrative, dramatic, ballad, villanelle, ghazal, blank verse, and free verse.
Sources and further reading
- Academy of American Poets: Sonnet — an introduction to the form and its history.
- Poetry Foundation: Sonnet — reference context for major sonnet traditions.
- Folger Shakespeare Library: Shakespeare’s Sonnets — primary texts and educational context.
- Encyclopaedia Britannica: Sonnet — historical overview of the form.
Frequently asked questions about sonnets
What is a sonnet?
A sonnet is a fourteen-line poem shaped by a recognizable formal design involving rhyme, structural divisions, meter, and a turn in thought or argument.
Does a sonnet always have fourteen lines?
The fourteen-line frame defines the traditional sonnet. Experimental poets sometimes alter inherited conventions, while the recognizable tradition remains anchored in fourteen lines.
What is the difference between a Petrarchan and Shakespearean sonnet?
A Petrarchan sonnet commonly divides into an octave and sestet, often beginning ABBAABBA. A Shakespearean sonnet commonly uses three quatrains and a final couplet with ABAB CDCD EFEF GG.
What is the volta in a sonnet?
The volta is the poem’s turn: a shift in argument, emotion, image, syntax, or perspective that changes the direction of the sonnet.
What is a contemporary example of a Petrarchan-style sonnet?
Danil Rudoy’s “Sonnet I” and “Sonnet II” both use fourteen lines with the rhyme scheme ABBAABBA CDECDE, preserving a clear octave-and-sestet architecture in contemporary English poetry.