Smiling Through Similes: Metaphors for a Smile

On this page16 sections

1. Quick picker
2. Light and sun: the joyful smile
3. Warmth: the kind smile
4. A tool or a weapon: the charming smile
5. Cold and dangerous smiles
6. The mask: fake or hidden-feeling smiles
7. Sad and fragile smiles
8. Mischievous and secret smiles
9. Small and fleeting smiles
10. Verbs that turn a smile into a metaphor
11. A sample paragraph
12. Describing someone's smile in a card or tribute
13. Writing tips
14. Common mistakes
15. Practice
16. Quick answers

Common metaphors for a smile describe it as light (her smile lit up the room, a sunny smile, a beaming smile), as warmth (a warm smile, a smile that melted his heart), as a weapon or tool (a disarming smile, a winning smile, a razor-thin smile), as a mask (a smile that didn’t reach her eyes, a fixed smile) or as a shape (a crescent of a smile, a lopsided smile). The family you choose tells the reader what the smile means: joy, kindness, charm, threat or hidden sadness. Below, each is explained with an example, along with words for particular kinds of smiles – shy, mischievous, fake, sad – that writers often need.

For the difference between a metaphor and a simile (“a smile like sunshine” is a simile), see our figurative language guide.

Quick picker

Light and sun: the joyful smile

English links smiles and light so closely that several of these words have become ordinary vocabulary.

• Beaming – smiling widely with obvious happiness. A “beam” is a ray of light. “The winner stood beaming on the podium.”
• Radiant – glowing with joy. “She gave a radiant smile when she saw her family in the crowd.”
• Her smile lit up the room – her happiness changed the mood of everyone there. “When Nana arrived, her smile lit up the whole kitchen.” Familiar, so in serious fiction try a fresher image built on the same idea.
• A sunny smile – cheerful and uncomplicated. “The receptionist greeted us with a sunny smile.”
• Her face lit up – a sudden happy reaction. “His face lit up when he opened the box.”
• A dazzling smile – so bright it almost blinds; often used for very white teeth or great charm. “The actor flashed a dazzling smile at the cameras.”
• A sunburst of a smile – sudden, wide and bright. “After a week of silence, the baby gave us a sunburst of a smile.”

Warmth: the kind smile

• A warm smile – friendly and sincere. “The nurse’s warm smile made the waiting easier.”
• Melt someone’s heart – make them feel sudden affection. “The puppy’s lopsided grin melted my heart.”
• Thaw – a smile that ends coldness between people. “Her first smile in weeks felt like the start of a thaw.”
• A smile that put me at ease – not a metaphor itself, but a useful phrase for a calming smile in non-fiction and letters.
• Soft / gentle – a quiet, tender smile. “He gave her a soft smile and squeezed her hand.”

Our metaphors for kindness page has more images of warmth.

A tool or a weapon: the charming smile

Smiles can win people over or disarm them. These metaphors treat a smile as something used on purpose.

• A winning smile – attractive and likely to win people’s approval. “With his winning smile, he talked his way onto the guest list.”
• A disarming smile – one that makes people stop feeling suspicious or hostile, as if taking away their weapons. “She answered the angry customer with a disarming smile.”
• A million-dollar smile – a perfect, very attractive smile. “The new presenter has a million-dollar smile.”
• A megawatt smile – extremely bright and powerful, often for celebrities. “She turned her megawatt smile on the photographers.”
• Flash a smile – give a quick smile, often to charm. “He flashed a smile at the guard and walked through.”
• Turn on the charm – use smiles and friendliness deliberately. “When the inspector arrived, the manager turned on the charm.”

Cold and dangerous smiles

• An icy smile – polite on the surface, hostile underneath. “She thanked him with an icy smile.”
• A thin smile / a razor-thin smile – tight lips, little warmth; often disapproval or controlled anger. “The headteacher gave a thin smile and said nothing.”
• A wolfish smile – hungry and predatory, sometimes with sexual meaning. “He gave her a wolfish smile across the table.”
• A shark’s smile – all teeth, no warmth; suggests someone who will take advantage. “The negotiator smiled like a shark” is the simile version.
• A smile with teeth in it – friendly words with a threat underneath. “‘We’ll see,’ she said, with a smile that had teeth in it.”
• A crocodile smile – fake friendliness hiding bad intent, by analogy with “crocodile tears”. Less common; context should make it clear.

The mask: fake or hidden-feeling smiles

• A smile that didn’t reach her eyes – a mouth-only smile that shows she was not really happy. “He smiled, but it didn’t reach his eyes.” Psychologists have studied this: genuine smiles usually involve the muscles around the eyes as well as the mouth.
• A fixed smile – held in place regardless of feeling. “She kept a fixed smile through the speeches.”
• A plastered-on smile / pasted-on smile – obviously forced. “The salesman wore a plastered-on smile.”
• Put on a brave face – hide sadness or fear behind a calm expression. “At the funeral she put on a brave face for the children.”
• Behind the smile – the real feelings hidden underneath. “Behind the smile, he was exhausted.”
• A smile as a mask – the image stated directly. “Her smile was a mask she had worn so long she forgot it was there.”

Sad and fragile smiles

• A wan smile – weak and pale, from tiredness or illness. “She gave a wan smile from the hospital bed.”
• A brave smile – smiling despite pain. “He managed a brave smile as the train pulled away.”
• A watery smile – smiling while close to tears. “She gave me a watery smile and blew her nose.”
• A ghost of a smile – the faintest trace. “A ghost of a smile crossed his face when he heard her name.”
• A bittersweet smile – happiness mixed with sadness. “Looking at old photos, Dad had a bittersweet smile.” See words for feeling happy and sad at the same time.

Mischievous and secret smiles

• An impish smile – playful and slightly naughty, like an imp (a small mischievous creature in folklore). “The boy gave an impish smile and hid the cake behind his back.”
• A sly smile – suggests secret knowledge or a plan. “She gave a sly smile when he asked about the surprise.”
• A crooked smile / a lopsided smile – higher on one side; often charming or wry. “His crooked smile made him look younger.”
• A knowing smile – shows the person understands more than they say. “The teacher gave a knowing smile when I said the dog ate my homework.”
• A Cheshire Cat grin – a wide, self-satisfied grin, from the cat in Lewis Carroll’s Alice’s Adventures in Wonderland, whose grin stays after the rest of him disappears. “He came back from the interview with a Cheshire Cat grin.”
• Grinning like the cat that got the cream (UK) / that ate the canary (US) – looking very pleased with yourself, sometimes guiltily.

Small and fleeting smiles

• A flicker of a smile – very brief. “A flicker of a smile crossed her lips.”
• A hint of a smile – only just visible. “There was a hint of a smile in his voice.” (A smile can be “heard” in someone’s tone.)
• The corners of her mouth twitched – she was trying not to smile. Good for scenes where a character hides amusement.
• Tug at the corners of his mouth – a smile starting. “A smile tugged at the corners of his mouth.”

Verbs that turn a smile into a metaphor

Often the strongest figurative language is in the verb. These verbs give a smile movement and meaning:

A sample paragraph

This short passage uses several smiles to show a relationship changing, without ever naming the feelings directly:

Mara’s smile when she opened the door was the one she used for delivery drivers – quick, polite, gone before the door closed. Over dinner it softened. By the time Theo told the story about the goat at his cousin’s wedding, she was laughing with her whole face, and when he left, the smile she gave him at the gate was crooked and a little shy, as if she hadn’t decided yet what it meant.

Each smile carries a stage of the evening: a public mask, then warmth, then real laughter, then uncertainty. That is the main job a smile does in fiction.

Describing someone’s smile in a card or tribute

Outside fiction, people often want to praise a smile in a birthday card, a wedding speech or a tribute. Keep it warm and simple:

• “Your smile has a way of making every bad day better.”
• “Grandad’s smile could light up any room – and usually did.”
• “I’ll always remember her warm smile at the school gate every morning.”
• “Thank you for the smiles you brought to this office.”

Writing tips

• Let the smile do work. Every smile in a story is information about a character’s feeling or intent. “She smiled” is fine; “she smiled with her mouth only” tells us much more.
• Use verbs, not just adjectives. Smiles can flash, spread, falter, fade, freeze, widen, crack or break out. “His smile faltered when he saw the bill.”
• Don’t over-describe. Characters who smile in every line become tiring. Save detailed smile descriptions for moments that matter.
• Know “grin” and “smirk”. A grin is a wide smile, usually showing teeth. A smirk is a smug or mocking smile. Calling a kind smile a smirk changes the whole character.
• Freshen the cliché. “Her smile lit up the room” can become something specific to your scene: “When she smiled, even the waiter who’d been ignoring us came over.”

Eyes and smiles are often described together; see metaphors for eyes and metaphors for laughing.

Common mistakes

• “She smiled a smirk.” Use one: “She smirked” or “She gave a smirk.”
• “His smile reached until his eyes.” The idiom is “His smile reached his eyes” (or, more often, “didn’t reach his eyes”).
• “A smile lighted the room.” “Lit” is the usual past form in this phrase: “Her smile lit up the room.”
• Calling “a smile like sunshine” a metaphor. With “like”, it is a simile.
• Mixing images. “Her icy smile melted into a dazzling sunburst” changes temperature and light at once; choose one.

Practice

Choose a smile word or metaphor for each situation.

1. A villain greets the hero politely, but clearly means harm.
2. A tired patient tries to smile at visitors.
3. A child has a secret and can barely hide it.
4. A host smiles all evening although she is upset.
5. A grandmother’s happy smile changes the mood of a whole family dinner.

Answers: 1. an icy smile / a smile with teeth in it; 2. a wan smile; 3. an impish or sly smile; 4. a fixed smile that didn’t reach her eyes; 5. her smile lit up the table / a radiant smile.

Quick answers

Is a “smile” the same as a “simile”?

No – the words look similar but are unrelated. A smile is a facial expression. A simile is a comparison using “like” or “as” (“her smile was like sunshine”). A metaphor compares without “like” or “as” (“her smile was sunshine”).

Can I say “harbinger of smiles”?

You can, but it sounds odd. A harbinger is a sign that something is coming, usually something bad (“a harbinger of doom”). For a person who makes others smile, try “a bringer of smiles” (playful) or simply “she always makes people smile”.

What is a metaphor for a mischievous smile?

“A Cheshire Cat grin”, “an impish smile” and “a smile full of secrets” all suggest mischief.

What is a metaphor for a beautiful smile?

“A million-dollar smile”, “a radiant smile” and “her smile was sunrise” all work. For compliments to say out loud, see other ways to say “you look beautiful”.