If you've mastered textbook English, congratulations—you've climbed a major mountain. But the moment you step off the plane in London, travel over to the Big Apple from LA, or chat with someone from Sydney, you’ll realise that English doesn't just have rules; it has passports.

One of the greatest shocks for English learners is discovering that a word or phrase that is completely standard in the UK might sound bizarre, overly formal, or even mildly offensive in the US, and vice versa.

Take something as simple as getting around town. In the UK, you might catch a bus or take the Tube (a more common and less formal word for the London Underground). In the US, you might take a bus or ride the subway. And if you tell an American client that you’re going to table a discussion, they’ll think you want to cancel or postpone it. But if you say the same thing to a British colleague, they’ll get what you mean right away!

These differences go far beyond vocabulary. Spelling (colour vs color), punctuation, and prepositions ("at the weekend" vs "on the weekend") frequently trip up learners who are trying to figure out which "correct" version to follow.

If you’re living in Europe, working with UK-based companies, or taking Cambridge exams, British English is your natural north star. But if your media diet consists of Hollywood movies, tech companies, and American podcasts, North American English will serve you better.

At the end of the day, you just need to be aware. You don't need to speak with a flawless mock-British or American accent to be understood. You just need to know that these differences exist so you don't get caught out when someone asks for the restroom instead of the loo.

All this talk about the differences between UK and US English has got me reminiscing about my time as an EFL teacher in Bangkok. One morning after arriving to work at a language school in the Big Mango, my workmate from the UK was taken aback when one of our American colleagues exclaimed, "Hey Rich, I like your pants, man". To which a slightly embarrassed Rich replied, "What? You can see my pants?" You see, in the US, pants are what we call trousers in the UK. And in the UK, pants are underwear! So you can see why it was quite a funny moment for staff who heard the exchange in the teacher’s room.

But of course, the above vocabulary, such as differences in talking about transport, are something many English learners will have already covered numerous times at school or with their English tutor. However, there are many other confusing situations regarding English language differences between the UK and the US.

Clarity matters

For a long time, when living in Thailand or Vietnam and working with teachers with an American passport, I found it awkward to respond to "Hey Francis, what’s up?" Although I understood it to be just another way to say hello or hi—it translates to many of us Brits as "Is everything OK with you?" (you look like you’re in some distress).

Likewise, whenever I slipped into an informal British greeting with "Alright?"(a common and quite informal greeting in the UK),whenmeeting up with fellow teachers from different parts of the world, I would be met with an equally puzzled expression.

English learners, which variety of English do you find yourself leaning toward? Are you more focused on UK, US English, or looking to become more familiar with English used throughout Australia and New Zealand?

And has a regional word or expression ever caused a funny misunderstanding for you? Let me know below!

Next up: More confusion and clarification in the wonderfully challenging world of English language learning. Hope to see you soon. Bye for now!

Handy phrases

cultural gaffe – an unintentional error made in cultural exchanges 

the Big Apple – popular nickname (moniker) for New York City 

sound bizarre – very unusual or strange

north star (metaphorical) – a guiding principle or standard to follow

at the end of the day – after all things have been considered

caught out – to be surprised or tricked by an unexpected situation

the Big Mango – popular nickname (moniker) for Bangkok