Obvious vs Perfectly clear

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

Obvious

Top 1,000 (very common)B1adjective

Perfectly clear

Top 5,000 (fairly common)
Most common: Obvious
 ObviousPerfectly clear
Pronunciation🇬🇧 //ˈɒbvɪəs//🇺🇸 //ˈɑːbvɪəs//🇬🇧 //ˈpɜːfɪktli klɪə//🇺🇸 //ˈpɜrfɪktli klɪr//
MeaningEasy to see or understandCompletely understandable or obvious.
ExampleIt's obvious that she is very talented.The instructions were perfectly clear, so everyone understood their tasks.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelB1-
Part of speechadjective
Collocationsobvious choice, obvious answer, obvious conclusionperfectly clear explanation, perfectly clear instructions, perfectly clear message
Antonymshidden, ambiguous, unclear-
Common mistakesConfusing with 'oblivious', which means unaware., Using 'obvious' with negative sentences incorrectly, e.g., 'It's not obvious that he is late.', Overusing in formal writing, where 'clear' may be more suitable.Using 'perfectly clear' in situations where ambiguity exists., Confusing with similar phrases like 'absolutely clear'., Overusing in casual conversations; it's more formal.
Usage notesUse 'obvious' to indicate something that doesn't need explanation. It's neutral and fits in various contexts, but avoid it in overly formal writing.Used to emphasize that something is understood without any confusion. Suitable for both speaking and writing.

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Obvious
Perfectly clear

Frequently asked questions: Obvious vs Perfectly clear

What's the difference between Obvious and Perfectly clear?

Obvious: Easy to see or understand Perfectly clear: Completely understandable or obvious.

Which is more common: Obvious and Perfectly clear?

Obvious is the most common in everyday English.

Can you show an example of each?

Obvious: It's obvious that she is very talented. Perfectly clear: The instructions were perfectly clear, so everyone understood their tasks.

Can I use Obvious and Perfectly clear interchangeably?

Not always. Obvious and Perfectly clear 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.

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