break out

Short definition: The phrase break out means to start suddenly and unexpectedly, often referring to fights, fires, diseases, or strong emotions appearing quickly and spreading rapidly.

Looking for a clear and natural explanation of the phrasal verb break out? This phrase can describe something sudden and often intense, like a fire, a fight, a rash on your skin, or even laughter in a quiet room. It usually suggests that something starts quickly and spreads or becomes noticeable. Depending on context, it can feel dramatic, medical, emotional, or even joyful. Below are detailed meanings with realistic examples so you can clearly understand how break out is used in everyday English.

break out v. /ˌbreɪk ˈaʊt/

Forms: break out, breaks out, broke out, broken out, breaking out
Related: outbreak n., eruption n., escape v., rash n.
Syllable: break-out

  1. (Verb) To start suddenly, especially for something unpleasant or intense.

    When something breaks out, it begins unexpectedly and often spreads quickly. This meaning is commonly used for fires, wars, fights, arguments, or diseases. It usually carries a sense of urgency or lack of control.

    A fire broke out in the kitchen while everyone was still asleep.
    Violence broke out after the match ended in controversy.
    An epidemic broke out in the region and spread rapidly within weeks.

    Synonyms: erupt, begin suddenly, flare up, ignite, start abruptly, explode into action, arise unexpectedly, emerge quickly, spark off, burst forth, trigger suddenly, spread rapidly
    Antonyms: calm down, subside, settle, prevent, contain, suppress, stop early, control, avoid outbreak, stabilize, fade away, decline

  2. (Verb) To develop suddenly on the skin, such as a rash or acne.

    In medical or everyday language, break out can describe a skin reaction, especially when acne, hives, or a rash appears quickly. It suggests a sudden visible change that wasn’t there before.

    She tends to break out when she eats too much junk food.
    After using the new skincare product, he broke out in red spots.
    Stress can cause some people to break out unexpectedly.

    Synonyms: develop a rash, get acne, erupt on skin, flare up on skin, show spots, form blemishes, appear suddenly, manifest visibly, surface, react physically, become inflamed, show irritation
    Antonyms: clear up, heal, smooth out, improve skin, calm irritation, fade away, disappear, reduce redness, recover, stabilize skin, settle down, remain clear

  3. (Verb) To escape from a place, especially prison.

    To break out can also mean escaping from confinement. This meaning often appears in movies, crime reports, or dramatic storytelling. It suggests force or determination in leaving a restricted space.

    The prisoner managed to break out of jail during the night.
    In the movie, the hero breaks out of captivity using only simple tools.
    They tried to break out, but security caught them at the gate.

    Synonyms: escape, flee, get away, break free, run off, evade capture, slip away, force exit, bust out, liberate oneself, escape custody, get free
    Antonyms: stay confined, remain imprisoned, surrender, submit, stay inside, remain captive, accept confinement, be detained, stay restrained, comply, remain locked up, be held

  4. (Verb) To suddenly begin doing something energetic or expressive.

    Break out can also describe starting an action suddenly, especially laughter, applause, singing, or dancing. This meaning often feels lively or joyful rather than negative.

    The audience broke out in applause after the powerful performance.
    She suddenly broke out laughing when she remembered the joke.
    They broke out into song during the celebration.

    Synonyms: burst into, erupt into laughter, begin energetically, start suddenly, launch into, spring into action, cheer loudly, clap enthusiastically, sing out, laugh loudly, express openly, celebrate suddenly
    Antonyms: stay quiet, remain silent, hold back, suppress reaction, stay calm, keep composed, stay reserved, withhold emotion, avoid expression, remain still, stay controlled, suppress laughter

  5. (Verb) To use or bring something out for a special occasion.

    In informal contexts, break out can mean taking something out that hasn’t been used for a while, especially for a celebration or event. It suggests excitement or preparation.

    Let’s break out the good wine to celebrate the promotion.
    She decided to break out her favorite dress for the party.
    We should break out the board games tonight and have some fun.

    Synonyms: bring out, take out for use, unveil, produce, display, present, reveal, pull out, bring forth, showcase, introduce, use for occasion
    Antonyms: put away, store, hide, conceal, pack up, lock away, set aside, stash, keep unused, hold back, withhold, tuck away

Conversation Using the Phrasal Verb Break out

Discussing a recent news story about a local emergency, Sebastian and Elena discuss the spread of a situation. The dialogue explores break out, which means to escape from prison, for a fire or disease to start suddenly, or for a rash to appear on the skin.

Sebastian: I heard on the news that a massive fire managed to break out in the abandoned warehouse near the docks last night.

Elena: That’s scary; I saw the smoke from my window and was worried that the flames might break out into the nearby houses.

Sebastian: I read that a dangerous virus could break out in crowded areas if people don't follow proper hygiene and vaccination protocols.

Elena: I noticed that I always break out in a rash whenever I use that specific brand of scented laundry detergent.

Sebastian: If three inmates break out of the maximum-security prison, the entire town will be under a strict lockdown until they are caught.

Elena: I saw a group of fans break out into a cheer when the singer finally walked onto the stage for the concert.

Sebastian: Sometimes a war will break out over a simple border dispute that wasn't settled through diplomatic and peaceful negotiations.

Elena: It’s vital to address the tension before a full conflict can break out and cause suffering for thousands of innocent people.

Sebastian: I’m glad the fire department arrived so quickly; they prevented the fire from continuing to break out across the street.

Elena: I agree; once they contain the area, there’s no risk that the flames will break out in the residential section of town.

Phrases Containing the Phrasal Verb Break Out

The phrases below show how the phrasal verb break out is used to talk about sudden events, escaping, starting conflicts, or appearing unexpectedly.

Break out in laughter

To suddenly start laughing.

The audience broke out in laughter when the comedian delivered the unexpected punchline.

Break out of prison

To escape confinement.

The prisoners attempted to break out of prison during the stormy night.

Break out into a fight

To start fighting suddenly.

A fight broke out into chaos after the heated exchange of words.

Break out in sweat

To suddenly start sweating.

He broke out in sweat when he realized he had forgotten his speech notes.

Break out of routine

To escape daily habits.

She wanted to break out of routine and try something new.

Break out suddenly

To begin unexpectedly.

A storm broke out suddenly, forcing everyone to seek shelter.

Break out of silence

To start speaking after quietness.

He finally broke out of silence and shared his concerns openly.

Break out in anger

To suddenly become angry.

She broke out in anger when she heard the unfair accusation.

Break out of confinement

To escape restriction.

The animal managed to break out of confinement during the night.

Break out across the city

To spread quickly.

Protests broke out across the city after the announcement.

Break out into applause

To suddenly start clapping.

The crowd broke out into applause at the end of the inspiring speech.

Break out of fear

To overcome anxiety.

He tried to break out of fear and face the challenge directly.

Break out in a rash

To develop skin irritation.

She broke out in a rash after using a new skincare product.

Break out during the night

To begin overnight.

A fire broke out during the night while everyone was asleep.

Break out of boredom

To escape monotony.

He joined a new club to break out of boredom.

Break out violently

To begin with force.

Violence broke out violently after tensions escalated.

Break out in tears

To suddenly start crying.

She broke out in tears when she heard the unexpected news.

Break out into celebration

To start celebrating suddenly.

The team broke out into celebration after winning the championship.

Break out of control

To become uncontrollable.

The situation broke out of control before authorities could respond.

Break out unexpectedly

To start without warning.

A heated argument broke out unexpectedly during dinner.

Words Rhyme with break out

shake out
take out
make out
fake out
lake out
bake out
wake out
cake out
stake out
snake out
out
about
shout
scout
doubt
trout
bout
snout
gout
route
spout
stout
clout
flout
without
throughout
devout
redoubt
dropout
turnout
POS: Verb Phrase