Clear vs Pure

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

Clear

Top 1,000 (very common) A2 adjective

Pure

Top 1,000 (very common) B2 adjective

	Clear	Pure
Pronunciation	🇬🇧 /["/klɪə(r)/"]/ 🇺🇸 /["/klɪr/"]/	🇬🇧 /["/pjʊə(r)/","/ˈpjʊərə(r)/","/ˈpjʊərɪst/"]/ 🇺🇸 /["/pjʊr/","/ˈpjʊrər/","/ˈpjʊrɪst/"]/
Meaning	Easy to see through or understand.	Something that is clean or not mixed with anything else.
Example	The sky is very clear today, perfect for a picnic.	She prefers to drink pure water without any additives.
Register	Neutral	Neutral
How common	Top 1,000 (very common)	Top 1,000 (very common)
CEFR level	A2	B2
Part of speech	adjective	adjective
Collocations	be, seem, become, extremely, fairly, very, to, clear and concise, be, seem, become, extremely, fairly, very, to, clear and concise, be, extremely, fairly, very, about, on, be, look, become, extremely, fairly, very, loud and clear, be, become, extremely, fairly, very, be, look, seem, completely, fairly, pretty, of	pure water, pure heart, pure substance, pure joy, pure gold
Antonyms	cloudy, unclear, muddy	impure, contaminated, mixed
Common mistakes	'Clear' is often confused with 'clean.', 'Clear' is sometimes incorrectly used as a verb instead of an adjective., Learners may forget to use 'clear' to describe abstract concepts, like thoughts.	Confused with 'purer' – 'pure' is the base form, not comparative., Used incorrectly in terms of emotions, e.g., saying 'pure love' is often acceptable, but context matters.
Usage notes	Use 'clear' to describe something easily understood or free of obstructions. It’s appropriate in both casual and formal contexts. Avoid using it in overly technical discussions where precision matters.	Used to describe something that is uncontaminated or without addition. In formal contexts, often refers to substances or qualities; in informal contexts, can refer to intentions or feelings.

See it in real clips

Stranger Things › S1 E1

Do I make myself... clear?

Band Of Brothers › S1 E1

Is that clear?

Sherlock › S1 E1

Quite clear.

Stranger Things › S1 E1

Do I make myself... clear?

Band Of Brothers › S1 E1

Is that clear?

Clear

Frequently asked questions: Clear vs Pure

What's the difference between Clear and Pure?

Clear: Easy to see through or understand. Pure: Something that is clean or not mixed with anything else.

Which is more advanced: Clear and Pure?

Pure is the highest level, at B2, on the CEFR scale.

Are Clear and Pure the same CEFR level?

Clear: A2, Pure: B2 on the CEFR scale.

What part of speech are Clear and Pure?

Clear: adjective, Pure: adjective.

Can you show an example of each?

Clear: The sky is very clear today, perfect for a picnic. Pure: She prefers to drink pure water without any additives.

Can I use Clear and Pure interchangeably?

Not always. Clear and Pure 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.