Good dialogue in a novel does three things: it gives each character a distinct voice, it says less than the character means, and it never explains things your characters already know. Get those three right and the rest — pacing, tension, believability — tends to follow.
Ready to see how your own manuscript holds up? Try the free Marlowe Basic Report — authors.ai/pricing
Give every character a distinct voice
If you covered up the dialogue tags, could you still tell who’s talking? That’s the test. Vocabulary, sentence length, and rhythm should shift with education, region, age, and personality — a scholarly character reaches for precision, a teenager clips her sentences short.
A classic example: in the Harry Potter books, Hagrid’s rustic accent and loose grammar make him instantly recognizable next to Hermione’s careful, formal phrasing. You don’t need a dialogue tag to know who’s speaking. Pay attention to how people actually talk around you, and give a couple of characters a signature idiom or verbal tic — just don’t overdo it, or it turns into a gimmick.
For more on this, see our post on writing in different voices.
Let subtext carry the real meaning
Characters rarely say exactly what they mean — and neither do real people. If your character wants a divorce, she probably doesn’t open with “I want a divorce.” She changes the subject, answers a different question than the one she was asked, or goes quiet in a way that says more than words would.
Pauses, deflection, and body language do a lot of the work here. A clenched fist or an averted glance next to a flat “I’m fine” tells the reader everything the line itself withholds. This is also what makes dialogue re-readable — there’s a second layer to catch.
Cut the exposition dumps
Watch for the “As you know, Joe” trap, where two characters explain facts to each other that they’d both already know, purely so the reader can follow along. It’s the fastest way to remind a reader they’re reading a book.
Instead, let information surface through friction: a disagreement about what actually happened, an assumption one character corrects, a detail revealed through what someone avoids saying. If a line only exists to inform the reader, cut it or hide it inside a scene that’s doing something else too.
Treat dialogue as action, not just talk
Think of a conversation as a series of moves, not a static exchange of information. Each character wants something from the exchange, and their tactics shift as they don’t get it — they push, then soften, then go quiet, then try a different angle. That’s what keeps a scene from reading like a transcript.
A negotiation that opens with confidence and slowly cracks is more compelling than one where both sides simply state their positions. Give your characters something to want in the scene, not just something to say. They should have conflicting desires or goals, giving rise to conflict.
Keep it concise
Real conversation is full of filler — greetings, hedges, “um.” Fiction can’t afford most of that. Cut small talk unless it’s revealing something about the character (a nervous character’s “um” can be worth keeping; a bored one’s isn’t). Combine dialogue with action beats instead of stacking line after line of pure speech, and trust your reader to fill in what doesn’t need to be said.
Where AI feedback fits in
Once you’ve drafted a scene, it’s hard to hear your own dialogue with fresh ears — you know what the character means, so flat or expository lines can slip past you. This is where a tool like Marlowe from Authors A.I. can help. Marlowe analyzes your manuscript and flags where character voices blur together, where a scene leans on exposition, or where pacing stalls — so you can see the pattern clearly and decide how to revise it in your own voice. It doesn’t rewrite the lines for you; it points at what to look at.
If you want a read on your dialogue and pacing before you send pages to beta readers or an editor, Marlowe’s free Basic Report is a reasonable place to start. For a deeper look at self-editing before you hire outside help, see the writing mistakes editors always catch.
FAQ
How can I make dialogue sound natural in my novel? Listen to how people actually talk, then trim it — keep contractions, interruptions, and the occasional pause, but drop most filler words. Natural doesn’t mean unedited.
Should dialogue always advance the plot? Not every line has to move the plot forward, but every line should be doing something — developing a character, building tension, or setting a scene. Dialogue with no job to do is a good candidate to cut.
How do I avoid writing boring or unrealistic dialogue? Read it out loud. Overly formal or expository lines announce themselves the moment you hear them, and awkward rhythm is much easier to catch by ear than by eye.
Is your manuscript ready for readers? Marlowe analyzes your fiction for pacing, dialogue, character development, and more — in minutes. Your story stays entirely yours.
Try the free Marlowe Basic Report at authors.ai/pricing.
