Formerly vs Formally: The Hidden Difference Most Miss

English learners often confuse “formerly” and “formally” because both words look similar but have completely different meanings. This small spelling difference creates a big grammar mistake in writing, especially in IELTS exams, job applications, emails, and academic content. That is why people frequently search for formerly vs formally meaning, formerly or formally known as, and when to use formerly or formally.

In English grammar, formerly refers to something that existed in the past, while formally refers to something done in an official, correct, or proper way. For example, “She was formerly a teacher” means she worked as a teacher before. But “She was formally invited” means she received an official invitation.

The confusion happens because both words are adverbs and have similar spelling patterns. However, their usage is completely different in meaning and context.

Now you fully understand the complete difference between formerly vs formally, including meaning, usage, examples, synonyms, and grammar rules. With regular practice, you can use both words confidently in writing and speaking.

Formerly vs Formally

Formerly means previously or in the past.
Formally means officially, properly, or in an organized way.

👉 Simple rule:

Formerly = Past time
Formally = Official manner

Examples:

The city was formerly called Bombay.
The agreement was formally approved by the board.

Formerly vs Formally Meaning

✔ Formerly Meaning (Adverb of Time)

In English grammar, formerly is an adverb of time. It is used to describe something that existed before now but not anymore.

Examples:

He was formerly a banker.
The country was formerly part of a larger empire.
The company was formerly known as Google BackRub.

👉 Meaning: previously / earlier / in the past

✔ Formally Meaning (Adverb of Manner)

In English grammar, formally is an adverb of manner. It describes something done in an official, proper, or structured way.

Examples:

The manager was formally introduced.
The contract was formally signed.
The complaint was formally submitted.

👉 Meaning: officially / properly / in a legal or correct way

Origin of Formerly vs Formally

✔ Formerly

Derived from the word “former”
Old English origin
Connected to time and history

👉 Focus: past identity or previous state

✔ Formally

Derived from “formal”
Latin root formalis (order, structure)
Connected to rules and official systems

👉 Focus: official procedures and correctness

British vs American English Usage

There is no difference in spelling or meaning between British and American English for these words.

Both use:

Formerly ✔
Formally ✔

Comparison Table

Word	Grammar Type	Meaning	Example
Formerly	Adverb of time	Previously / past	He was formerly CEO
Formally	Adverb of manner	Officially / properly	He was formally appointed

Pealing vs Peeling: Which One Is Actually Correct?

When to Use Formerly vs Formally

✔ Use “Formerly” when:

Talking about past names
Previous jobs or roles
Historical identity

Example:

Instagram was formerly called Burbn.

✔ Use “Formally” when:

Writing official emails
Legal or business communication
Structured actions

Example:

The proposal was formally approved.

Common Mistakes with Formerly vs Formally

❌ Incorrect:

She was formally a doctor
✔ Correct: She was formerly a doctor

❌ Incorrect:

He was formerly invited to the meeting
✔ Correct: He was formally invited to the meeting

❌ Incorrect:

The company was formally known as Google
✔ Correct: The company was formerly known as Google

Why mistakes happen:

Similar spelling
Fast typing errors
Lack of grammar understanding

Formerly vs Formally in Real-Life English

✔ Emails:

We are formally requesting approval.
The company was formerly a startup.

✔ Business Writing:

He was formerly head of marketing.
The agreement was formally signed.

✔ News Writing:

The city, formerly known as Madras, changed its name.
The decision was formally announced today.

✔ Legal Writing:

The treaty was formally ratified by both governments.
The region was formerly under colonial rule.

Affect vs Effect: The Common Confusion Explained

Google Trends & Search Intent Analysis

Search data shows:

“Formerly known as” is highly used in:
- business rebranding
- celebrity names
- Wikipedia-style content
“Formerly vs formally” is mostly searched by:
- IELTS students
- English learners
- bloggers and writers

High search countries:

Pakistan
India
UK
Philippines

Memory Trick

🔥 Simple Trick:

Formerly = Former = Past
Formally = Formal = Official

👉 This trick removes confusion instantly.

Comparison Table

Feature	Formerly	Formally
Type	Adverb of time	Adverb of manner
Meaning	Previously	Officially
Context	History / past	Business / law
Usage	Old identity	Formal action
Example	Formerly CEO	Formally approved

FAQs

1. What is the difference between formerly and formally?

Formerly means past, while formally means officially or properly.

2. Is it formerly known or formally known?

✔ Correct: formerly known as

3. When should I use formerly or formally?

Use formerly for past identity and formally for official actions.

4. What is formerly in a sentence?

It means something existed in the past.

5. Can formally replace formerly?

No, both have different meanings.

6. What are formerly synonyms?

Previously, earlier, in the past.

7. Why do people confuse them?

Because both words look similar but have different grammar roles.

Conclusion

The difference between formerly and formally is simple but very important in English grammar. Formerly is used when talking about something that existed in the past, such as old names, jobs, or identities. On the other hand, formally is used when something is done in an official, proper, or structured way.

This confusion is very common among students, especially in IELTS exams, professional writing, and online content creation. However, once you remember the simple rule—former = past and formal = official—you will never confuse these words again.