If you’ve ever paused while typing to ask yourself whether it’s ofcourse or of course, you’re in good company. It’s one of the most common spelling mistakes in English because the phrase is spoken so quickly that it often sounds like a single word. As a result, many people instinctively type ofcourse without realizing it’s incorrect.

The correct spelling is of course—two separate words. The one-word version, ofcourse, is not recognized in standard English dictionaries and should be avoided in formal and informal writing alike. In this guide, we’ll explain the difference, cover the correct of course spelling, provide practical examples, and share easy tricks to help you remember it.

Ofcourse or Of Course: Which Is Correct?

The correct form is:

Of course

The incorrect form is:

Ofcourse

Of course is a fixed English phrase made up of the preposition of and the noun course. Together, they function as an idiomatic expression that means “certainly,” “naturally,” or “without question.”

Examples:

Whenever you use this expression, always write it as two separate words.

What Does “Of Course” Mean?

Of course is an idiom used to express certainty, agreement, or something that seems obvious or expected.

Depending on the context, it can mean:

Examples:

The phrase is common in both spoken and written English.

Is “Ofcourse” a Real Word?

No.

Ofcourse is not a standard English word. It is considered a spelling mistake that results from writing the commonly spoken phrase as one word.

Major dictionaries and style guides recognize only:

Not:

If you’re writing an email, report, essay, social media post, or text message, the correct spelling is always of course.

Why Do People Write “Ofcourse”?

There are a few reasons this mistake is so common.

1. Fast Pronunciation

In everyday conversation, of course is often pronounced quickly, making it sound like one word.

2. Typing Habits

People sometimes type the phrase the way they hear it, especially when writing quickly on a phone or keyboard.

3. Compound Word Confusion

English contains many compound words, such as:

This leads some writers to assume ofcourse follows the same pattern. However, it does not.

How to Use “Of Course” Correctly

The phrase can appear in several places within a sentence.

At the Beginning

In the Middle

At the End

In all positions, the spelling remains the same: of course.

Common Examples of “Of Course”

Everyday Conversation

Workplace

Academic Writing

Customer Service

Common Expressions Using “Of Course”

You’ll often see the phrase in expressions like:

These are all written as two separate words.

Memory Trick for the Correct Spelling

Here’s a simple way to remember the rule:

If it’s the phrase “of course,” it’s always two words.

Think of similar expressions:

None of these are written as a single word.

Common Mistakes to Avoid

Avoid these incorrect spellings:

Correct spelling:

Be careful not to confuse of course with off course, which has a completely different meaning.

Example:

Of Course vs. Off Course

These two phrases are often confused because they sound alike.

Phrase Meaning
Of course Certainly; naturally
Off course Away from the intended route or direction

Examples:

Although they sound similar, they are not interchangeable.

Frequently Asked Questions (FAQs)

Is it ofcourse or of course?

The correct spelling is of course. Ofcourse is a misspelling and is not recognized in standard English.

Is ofcourse one word?

No. Of course is always written as two separate words.

What is the correct spelling of of course?

The correct of course spelling is:

Of course

Why do people write ofcourse?

Many people combine the words because the phrase is spoken quickly and sounds like a single word.

Can I use of course in formal writing?

Yes. Of course is perfectly acceptable in formal writing when it fits the tone and context.

What does of course mean?

It means certainly, naturally, definitely, or without question.

What is the difference between of course and off course?

Of course means “certainly,” while off course means “away from the intended direction.”

Conclusion

When deciding between ofcourse or of course, the answer is simple: of course is always the correct spelling. It is a two-word phrase used to express certainty, agreement, or something that is obvious or expected. The one-word version, ofcourse, is a common spelling mistake and should be avoided in both formal and informal writing.

A helpful way to remember the rule is to think of of course as a fixed expression, much like in fact or at least—phrases that are always written as separate words. By using the correct of course spelling, you’ll make your writing clearer, more professional, and more consistent with standard English grammar.

If you found this guide useful, explore our other grammar and vocabulary articles to learn the correct usage of more commonly confused English words and phrases.