Roman Empire phrases and words in English

Latin maxims and Roman idioms that still land 2,000 years later — from 'carpe diem' to 'when in Rome.' Quick mottos and one-liners you can actually drop into a text, a meeting, or the group chat. Because somehow, you do still think about Rome.

25 phrases · meanings & example sentences

“Veni, vidi, vici”

'I came, I saw, I conquered' — Latin, from Caesar's note to Rome after a lightning-fast win in 47 BC. The original three-word humble-brag. Drop it after any quick, total victory: a closed deal, a nailed interview, a workout you crushed.

Walked into the interview, walked out with an offer the same day. Veni, vidi, vici.
Showed up to the 10K hungover and still beat my personal best. Veni, vidi, vici.
Sent one cold email and landed the client by lunch. Veni, vidi, vici.

“Memento mori”

'Remember you must die' — Latin. A reminder that life is short, so don't sweat the small stuff. Now a staple of Stoic culture. Use it to put petty annoyances back in perspective.

I'm furious the cafe ran out of oat milk. — Memento mori.
He's ranted about a cramped flight seat for an hour. Memento mori, mate.
She missed a promotion by a day and won't stop spiralling. Memento mori.

“Et tu, Brute?”

'You too, Brutus?' — Latin for the ultimate betrayal: Caesar's shock at seeing his friend among his killers, via Shakespeare. Say it, with full theatrical heartbreak, when someone you trusted sides against you.

You also think I should've taken the other job? Et tu, Brute?
Even the dog ran to greet my flatmate first. Et tu, Brute?
My own sister picked his side in the argument. Et tu, Brute?

“The die is cast”

A decision is made and there's no going back. From Caesar crossing the Rubicon into civil war in 49 BC. Use it the moment you commit to something irreversible: hitting send, signing the lease, saying the words out loud.

Booked the one-way ticket to Lisbon. The die is cast.
Hit send on the resignation email at midnight. The die is cast.
Told her how I really feel. The die is cast.

“Bread and circuses”

Cheap distractions used to keep people happy and unfocused on real problems. From the Roman poet Juvenal, mocking free grain and gladiator games. Use it for any spectacle that pulls attention away from what actually matters.

Free snacks appear the same week they freeze raises. Bread and circuses.
Endless celebrity drama trending while the bill quietly passes. Bread and circuses.
They added a flashy loyalty program but prices keep climbing. Bread and circuses.

“In vino veritas”

'In wine, there's truth' — Latin. People say what they really think once they've had a few drinks. Use it to explain an overshare, or to brace yourself before a third glass.

Two bottles in, he admitted he never liked my ex. In vino veritas.
The boss said he hates the new logo at the Christmas party. In vino veritas.
After a few glasses, Dad finally told us the family secret. In vino veritas.

“Divide and conquer”

Keep control by turning people against each other so they never unite against you. A Roman governing tactic ('divide et impera') reused by powers ever since. Use it for any boss, parent, or politician playing one group off another.

He's pitting the two teams against each other so nobody pushes back. Divide and conquer.
Mum told each of us we were her favourite. Classic divide and conquer.
The landlord negotiates with each tenant alone so we never compare notes. Divide and conquer.

“Who watches the watchmen?”

Who holds the people in power accountable? From the Roman poet Juvenal ('quis custodiet ipsos custodes'). Use it whenever the group meant to police everyone else has no one policing them.

The compliance team just exempted itself from the audit. Who watches the watchmen?
HR is investigating its own harassment complaint. Who watches the watchmen?
The moderators broke the very rules they enforce. Who watches the watchmen?

“Cross the Rubicon”

To pass the point of no return — take a step you can't undo. From Caesar leading his army across the Rubicon river, an act of war against Rome. Use it when someone makes the bold, irreversible move.

He told the boss exactly what he thought of the plan. He's crossed the Rubicon.
She sent the all-caps text to her mother-in-law. Crossed the Rubicon.
Once you quit on live TV, you've crossed the Rubicon.

“Cui bono?”

'Who benefits?' — Latin. To find who's behind something, ask who profits from it. A test taught to Roman lawyers by Cicero. Use it to cut through office drama, suspicious decisions, or any too-convenient event.

The new policy just happens to favour one team. Cui bono?
The leak dropped two days before the vote. Cui bono?
Suddenly the seating chart puts your ex next to the boss. Cui bono?

“Carpe diem”

'Seize the day' — Latin, from the poet Horace. Stop overthinking and do the thing now. Use it to talk yourself or a friend into booking the trip, sending the text, or ordering one more round.

You've talked about Lisbon for two years. Carpe diem — book it tonight.
She's looked over twice. Carpe diem, go say hi.
There's one slice of cake left and an hour to kill. Carpe diem.

“Tempus fugit”

'Time flies' — Latin, from Virgil. The line you mutter when you realise how fast time has passed. Use it for kids growing up, reunions creeping up, or a meeting that should've started ten minutes ago.

The intern from 2018 just made VP. Tempus fugit.
My nephew starts school next week — felt like he was born last Tuesday. Tempus fugit.
We moved dinner earlier because half the group has kids now. Tempus fugit.

“When in Rome”

Do what the locals do; adapt to the customs wherever you are. Short for 'when in Rome, do as the Romans do.' Use it to justify going along with the local way of doing things.

Everyone here has wine with lunch, so — when in Rome.
They eat dinner at 10pm in Spain. When in Rome.
The whole office takes Friday afternoon off. When in Rome, I guess.

“Rome wasn't built in a day”

Big things take time; don't expect instant results. Use it to reassure yourself or someone else to stay patient with slow progress.

I've only learned 200 words of Spanish this month. — Rome wasn't built in a day.
The startup isn't profitable yet, but Rome wasn't built in a day.
Three weeks at the gym and no abs yet — Rome wasn't built in a day.

“All roads lead to Rome”

There are many different ways to reach the same result. From the road network that all connected back to ancient Rome. Use it when different methods end up in the same place.

You can take the bridge or the tunnel — all roads lead to Rome.
Everyone fixes this bug differently, but all roads lead to Rome.
However we split the bill, all roads lead to Rome — we each owe twenty.

“A Pyrrhic victory”

A win that costs you so much it feels like a loss. Named after King Pyrrhus, who beat Rome but lost most of his army doing it. Use it when winning wasn't worth the price.

We won the lawsuit but spent more on lawyers than we got. A Pyrrhic victory.
She won the argument and lost the friendship. Pyrrhic victory.
They closed the deal but burned out the whole team. Total Pyrrhic victory.

“Fiddling while Rome burns”

Wasting time on trivial things while a real crisis unfolds. From the legend of Emperor Nero playing music as Rome burned. Use it for anyone ignoring a disaster to focus on something pointless.

Sales are crashing and management is debating the new logo. Fiddling while Rome burns.
The server's down and he's reorganising his desktop icons. Fiddling while Rome burns.
We're arguing about paint colours while the roof leaks. Fiddling while Rome burns.

“Quid pro quo”

'Something for something' — Latin. A favour given in exchange for a favour. Use it for any you-scratch-my-back-I'll-scratch-yours deal.

I'll cover your shift if you take my Monday. Quid pro quo.
He only helped because he wanted an intro in return — pure quid pro quo.
She'll mentor me and I'll redo her website. Quid pro quo.

“Mea culpa”

'My fault' — Latin, a clear admission that you were wrong. Use it to own a mistake quickly instead of making excuses.

I sent the email to the whole company by accident. Mea culpa.
Forgot your birthday — mea culpa, dinner's on me.
He stood up, said 'mea culpa,' and fixed the bug without excuses.

“Persona non grata”

'An unwelcome person' — Latin. Someone who's been frozen out and is no longer accepted by a group or place. Use it for anyone who has fallen out of favour and won't be invited back.

He badmouthed the host all night — total persona non grata now.
After she leaked the plans, she's persona non grata in the group chat.
I returned that jacket twice, so now I'm persona non grata at the shop.

“Decimate”

To wipe out or badly damage a large part of something. The word comes from a brutal Roman army punishment — executing one soldier in every ten. Use it for any heavy loss or destruction.

A late frost decimated half the harvest this year.
One bad quarter decimated the company's savings.
Flu decimated the squad the week before the final.

“Status quo”

'The state in which things are' — Latin. The way things currently stand, especially when no one wants to change it. Use it for any setup people cling to out of habit.

Management likes the status quo, so don't expect new tools.
We could split the chores fairly, but the status quo suits him fine.
Half the town just wants to protect the status quo.

“Ad nauseam”

'To the point of nausea' — Latin. Repeating something so often it becomes sickening. Use it for any argument, story, or excuse you've heard one too many times.

He tells that same fishing story ad nauseam.
We've debated the logo ad nauseam — just pick one.
She apologises ad nauseam instead of actually changing.

“Per se”

'By or in itself' — Latin. Used to draw a precise distinction: something is true on its own terms, separate from other factors. One of the most natural Latin phrases in everyday English.

It's not the money per se, it's the lack of transparency.
I don't dislike him per se — I just don't trust him.
The idea isn't bad per se, but the timing is terrible.

“De facto”

'In fact' — Latin. Used when something is real in practice even if not officially recognised. The opposite of de jure (by law). Widely used in politics, business, and everyday talk.

He's never had the title, but he's the de facto manager.
English is the de facto language of the internet.
They split but she still runs the whole operation — de facto CEO.