Writing realistic dialogue: 9 rules to make your characters sound alive

Writing dialogue in a novel: why your conversations ring false (and how to fix it)

You read back what you have just written. A scene between two characters, an argument, an important revelation. And something feels off. The lines seem stiff, artificial, as if two robots were exchanging information rather than two human beings living through an intense moment. You delete everything. You start again. Same result. Frustrating, isn't it?

Don't worry: you are not a bad writer. Nobody is born with the ability to write punchy dialogue. It is a technique that can be learned, with concrete rules, practice, and a little method. And the good news is: we are going to go through those rules together right now.

Novel dialogue is not ordinary conversation

The first mistake many beginner authors make is confusing literary dialogue with real conversation. In real life, we say "um," we repeat ourselves, we talk about the weather, we beat around the bush. On the page, all of that bores the reader within three lines.

Good dialogue in a novel always does at least one of these things:

• It reveals something about a character (their fear, their desire, their lie).
• It moves the plot forward.
• It creates or intensifies tension.

If your conversation does none of those things, cut it. Without mercy. That is the first rule — and the most liberating one.

9 practical rules for dialogue that rings true

1. Every character has their own voice

Your 16-year-old hero does not speak like their 75-year-old grandfather. A lawyer does not express themselves the same way a construction worker does. Before you even write a single line, ask yourself: how would this specific character say this specific thing? Their vocabulary, their rhythm, their favourite expressions — all of that belongs to them alone.

2. Cut unnecessary "he said, smiling" tags

Adverbs and descriptive verbs tacked onto dialogue tags weigh everything down. "She replied joyfully," "he muttered sadly"… The reader does not need to have the work done for them. If your dialogue is well written, the emotion comes through on its own. Stick mainly to "said" or "asked," and let the words do their job.

3. The ellipsis is your friend

Real exchanges carry implications, things left unsaid, unfinished sentences. What your character does not say is often more powerful than what they do say. An answer that sidesteps the question, a silence, an abrupt change of subject — that is what creates depth.

4. Read your dialogue aloud

This is the ultimate test. Sit down and read the scene aloud as if you were performing it. You will immediately feel what catches, what rings false, what goes on too long. Your ears are better judges than your eyes for this kind of work.

5. Alternate action and speech

Don't let your characters float in a void while they talk. Between lines of dialogue, slip in small gestures, glances, movements. "She set down her cup." "He crossed his arms." These details ground the scene in reality and give the reading a rhythm.

6. Avoid disguised information-dump dialogue

The classic trap: making your characters say things they already know, purely to inform the reader. "As you know, our father died three years ago…" Nobody actually talks that way. If you need to deliver information, find a context where it makes sense, or use narration instead.

7. Conflict does not have to mean an argument

The most boring dialogue in the world is when two characters agree on everything. There needs to be friction, even subtle friction. A hesitation, a disappointed expectation, a different interpretation of the same word. Conflict creates rhythm, and rhythm keeps the reader hooked.

8. Trust the implicit

You do not need to explain every emotion. If your character says "Fine" in a flat voice after receiving bad news, the reader understands. The implicit engages the reader's imagination and gives them the feeling of actively taking part in the story.

9. Re-read as a reader, not as the author

As the author, you know everything your characters are feeling. The reader is discovering it. Re-read your dialogue forgetting what you know, and ask yourself: do I understand the situation? Do I feel the tension? That is usually where the real flaws are hiding.

The real problem when writing novel dialogue: going it alone is exhausting

You have read these nine rules. Some of them seem obvious in theory. But when you find yourself alone facing a blank page, at midnight, with a scene that refuses to come unstuck — theory flies out the window. That is not a lack of talent. It is simply that writing a book alone, without feedback or structure, is one of the loneliest undertakings there is.

That is exactly why Plumence exists.

Plumence is a writing assistant designed for authors like you — those who have a story to tell, characters they care deeply about, but who get stuck on method. It does not dictate your story to you. It does not write it for you. What Plumence does is help you structure your ideas, rework a scene that is not flowing, identify what is missing in a piece of dialogue, or simply give you a foothold when you are going in circles.

In practice, what does writing with Plumence look like?

Imagine you are working on a confrontation scene between your protagonist and their father. You can feel that something is missing, but you cannot put your finger on it. With Plumence, you can:

• Describe your scene and ask what is missing to make it more tense, more revealing.
• Explore what each character truly wants from the exchange, and how that desire can come through in their words.
• Test variations of lines to find the one that sounds right in your character's voice.
• Identify whether your dialogue is moving the plot forward or going in circles without you realising it.

It is a little like having an experienced author friend on hand — available at any hour, without judgement, with one single priority: helping you make progress on your book.

You can also read other articles on the Plumence blog to explore other aspects of writing fiction: building characters, managing narrative pace, or how to structure your chapters so you never get stuck again.

Your next dialogue could be the one that changes everything

A great piece of dialogue is often the scene readers remember long after they close the book. The line that stays with them. The moment when they understood a character from the inside. You can write those scenes. Not because you will suddenly become more talented, but because you will have the right tools and a good companion along the way.

Try Plumence for free and start working on your dialogue today. Your story deserves to be told — and your characters deserve to have a real voice.