Writing Realistic Dialogue: How to Make Characters Talk
My favorite scene to write is two people talking. Not chasing a killer, not standing over a body, just talking across a kitchen table with a pie cooling between them. It is also the scene most likely to fall flat, because writing realistic dialogue is harder than it looks. Readers forgive a lot, but they can feel a fake conversation in their teeth. In my Peanut Peddler Mysteries, the whole town runs on gossip, so when the dialogue clunks, the book clunks right along with it. After twenty-five years of teaching and a shelf of cozy mysteries, here is what I know for sure: good dialogue is not about being clever. It is about sounding like a person your reader already knows.
Realistic Dialogue Is an Illusion, Not a Transcript
Here is the trick nobody tells new writers. Realistic dialogue is not actually realistic. If you recorded a real conversation and typed it out word for word, you would get a mess. People repeat themselves. They say um, and well, and anyway, and they circle the weather for four minutes before they get to the point. Put all of that on the page and your reader will start to skim.
What you want is the feeling of real speech with the boring parts trimmed away. Think of it like a photograph of a conversation, cropped and lit so the one thing that matters sits right in the center. Every line has to earn its place.
Here is a rule I hand my students: each piece of dialogue should do at least one of three jobs. It should move the story forward, reveal something about the character, or turn up the tension. Ideally two at once. If a line does none of those, it is small talk, and small talk belongs on the cutting room floor. That does not mean you strip out all the personality. A character can dodge a question, change the subject, or answer something you never asked, and that tells us worlds about who they are. The difference is intention. Aimless chatter bores us. Chatter with a purpose hiding under it pulls us in. When you trim a scene, read what is left and ask yourself, would I keep reading if a stranger said this to me at the post office? If the answer is no, cut deeper.

Give Every Character a Voice You Could Pick Out Blind
The fastest way to spot amateur dialogue is that everybody sounds the same. Same vocabulary, same rhythm, same jokes. Real people do not talk alike, and your characters should not either.
Before I draft a talky scene, I run a quick gut check on each speaker. Where are they from? How much schooling do they have? Are they in a hurry, or do they let their sentences wander? My retired schoolteacher sleuth speaks in full, tidy sentences because she cannot help correcting people. The teenager who works the register at the feed store talks in fragments and shrugs. Cover up the dialogue tags, and you should still know exactly who is talking.
Word choice does most of that work. A banker says vehicle. A farmer says truck. A grandmother says that old thing. Rhythm handles the rest. Some folks stack clauses on top of each other, and some answer everything in three words or less. Give one character a single verbal tic, used sparingly, and readers will latch onto it like a name.
Be careful with dialect, though. A little goes a long way. You can suggest a Southern voice through word order and rhythm without spelling every syllable out phonetically. When you write y’all fixin ta every single time, you slow the reader down and it starts to read like a costume. I want flavor, not a phonics worksheet. Trust your word choices to carry the accent, and save the heavy spelling for the rare word you truly cannot do without.
Let Your Tags and Beats Do the Quiet Work
Dialogue tags are the said and asked that tell us who is speaking. New writers get nervous about using said so often, so they reach for a thesaurus and start having people expostulate, interject, and chortle. Please do not. Said is nearly invisible, and invisible is exactly what you want. The reader’s eye slides right over it and stays down in the conversation. Save the fancy verbs for the rare moment one genuinely fits.
Better yet, swap some tags for action beats. An action beat is a small piece of movement dropped beside the line, so we know who is speaking without a tag at all. She set the coffee pot down hard. He would not look up from his boots. Beats pull double duty, because they show us body language while they anchor the scene in a real place. A conversation with no beats floats in white space. A conversation with too many turns into a stage play full of fidgeting. Aim for a light touch, maybe one beat every few lines.
Punctuation matters more than people expect here, and it trips up good writers all the time. When a tag follows the words, the line ends with a comma inside the quotation marks. When an action beat follows instead, the line ends with a period, because the beat is its own sentence. Getting that wrong is the quickest way to look green to an agent or an editor. If you want a clean rundown of the rules, Reedsy has a solid one. Once you can punctuate a line without stopping to think, you get to stay in the story instead of the mechanics.

Say the Quiet Part Underneath
The best dialogue is rarely about what it is about. Two people fussing over a casserole dish are usually fighting about something much older and much deeper. That gap between what a character says and what they mean is called subtext, and it is where a scene truly comes alive. Realistic dialogue lives in that gap far more often than it lives in the plain words.
People almost never say exactly what they feel, especially in the small Southern towns I write about, where being polite can be its own kind of armor. A character who says I am fine while scrubbing an already clean counter is telling you she is anything but. Let your readers do a little of the math. Trust them to read the tension you planted under the words.
This is the same muscle you use when you show instead of tell. If you have ever wrestled with cutting filter words and flat description, my post on how to show, don’t tell in your writing works hand in hand with this one. Dialogue that leans on subtext reveals character through choices, not announcements. And when a character finally does say the raw, honest thing out loud, it lands hard, because you made us wait for it. That kind of turn can anchor a whole redemption arc. On the nose dialogue, where everyone states their feelings plainly, throws all of that power away.
Read It Out Loud Before You Call It Done
Here is the one habit that will fix more dialogue than any single rule on this list. Read it out loud. Your ear catches what your eye forgives. If you stumble, if you run out of breath, if a line sounds like nobody alive would ever say it, your reader will feel that too. I read every conversation in my cozies out loud, usually to my long-suffering dog, and I end up fixing half of them on the spot.
Writing realistic dialogue is a skill, not a gift, and it gets sharper every time you practice. Pick one scene this week. Cut the small talk, hand each character their own voice, lean on said and a few good beats, and bury something true beneath the surface. If you want to watch dialogue pull its weight in a first chapter, take a look at how I handle cozy mystery opening chapters, where a few good lines have to hook a reader fast. And for another take on making every exchange earn its keep, Writer’s Digest has a great piece as well. Now go let your people talk.