Merely vs Simply

When to use each in English, with meaning, register, and examples.

Merely

Top 2,000 (common) C1 adverb

Simply

Top 1,000 (very common) B1 adverb

Most common: Simply

	Merely	Simply
Pronunciation	🇬🇧 /["/ˈmɪəli/"]/ 🇺🇸 /["/ˈmɪrli/"]/	🇬🇧 /["/ˈsɪmpli/"]/ 🇺🇸 /["/ˈsɪmpli/"]/
Meaning	only or just	in a straightforward way
Example	It is **not merely** a job, but a way of life.	You can simply follow the instructions to complete the task.
Register	Neutral	Neutral
How common	Top 2,000 (common)	Top 1,000 (very common)
CEFR level	C1	B1
Part of speech	adverb	adverb
Collocations	merely a suggestion, merely a formality, merely a coincidence	simply say, simply put, simply amazing, simply stated, simply because
Antonyms	significantly, substantially, greatly	complicated, complex
Common mistakes	Using 'merely' in overly formal situations where simpler language is preferred., Mixing 'merely' with negative meanings when it should indicate neutrality., Confusing 'merely' with 'barely' which implies a lesser degree.	Using 'simply' in overly complex sentences., Confusing 'simply' with 'just' in different contexts., Misplacing 'simply' in a sentence, making it unclear.
Usage notes	Use 'merely' to emphasize that something is simple or not important. It fits well in both spoken and written contexts, but avoid using it in very casual conversations.	Use 'simply' to emphasize clarity or to say something in an easy way. It’s neutral, so it can be used in various contexts, but avoid in formal writing when discussing complex topics.

See it in real clips

Top Gear › S1 E1

And the changes are much more than merely cosmetic.

Merely

Top Gear › S1 E1

Then we simply fold the seats down,

simply because he knew how to handle a knife.

Sherlock › S1 E1

This petty feud between us is simply childish. People will suffer.

Top Gear › S1 E1

Then we simply fold the seats down,

simply because he knew how to handle a knife.

Simply

Frequently asked questions: Merely vs Simply

What's the difference between Merely and Simply?

Merely: only or just Simply: in a straightforward way

Which is more common: Merely and Simply?

Simply is the most common in everyday English.

Which is more advanced: Merely and Simply?

Merely is the highest level, at C1, on the CEFR scale.

Are Merely and Simply the same CEFR level?

Merely: C1, Simply: B1 on the CEFR scale.

What part of speech are Merely and Simply?

Merely: adverb, Simply: adverb.

Can you show an example of each?

Merely: It is **not merely** a job, but a way of life. Simply: You can simply follow the instructions to complete the task.

Can I use Merely and Simply interchangeably?

Not always. Merely and Simply are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.