Writing & StyleRule guide

Concluding Sentence

Paragraph endings should serve the paragraph’s rhetorical job rather than follow a fixed formula. A conclusion can help when readers need closure or a bridge, but repeating the topic sentence mechanically can weaken the paragraph.

Quick answer

A concluding sentence can close a paragraph by synthesizing its point, drawing an inference, linking back to the larger argument, or transitioning forward. It is optional: not every effective paragraph needs a separate concluding sentence.

Key details

Boundaryoptional rather than mandatory in every paragraph
Core Issuefunctional paragraph closure
Possible Functionssynthesis, inference, connection to argument, transition

Important caveats

Boundary

Essay-level conclusions are a separate structural problem; this guide addresses paragraph-level concluding sentences.

Further guidance

Avoid Repetition

Do not merely restate the topic sentence in different words unless that repetition genuinely advances the paragraph.

Decision Path

Ask what the reader should understand or carry forward after the paragraph. Add a concluding sentence only if it improves closure, inference, or transition.

Worked Example

After a paragraph comparing two methods, a concluding sentence might state the practical trade-off the evidence establishes before the next paragraph changes focus.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Build clear paragraphs (opens in a new tab)Monash University · Monash explains that a concluding sentence is optional and may summarize, draw a conclusion, connect to the overall argument, or transition to the next paragraph.
  2. Paragraphs and Paragraphing — Purdue OWL (opens in a new tab)Purdue Online Writing Lab · Institutional writing guidance on developing a focused paragraph with evidence, examples, facts, details, analysis, and other support.

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