Consistent vs Reliable

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

 ConsistentReliable
MeaningAlways happening in the same way or showing the same quality.Someone or something you can trust to work well or be true.
CEFR levelB2B1
Part of speechadjectiveadjective
Usage notesUse 'consistent' when you want to describe something that does not change or varies little over time. It's appropriate in both casual and formal contexts, but avoid it in overly emotional or subjective discussions where 'reliable' might feel more fitting.Use 'reliable' in contexts where you want to express trustworthiness. It's suitable for both formal and informal settings, but avoid it in overly casual speech.

Frequently asked questions: Consistent vs Reliable

What's the difference between "Consistent" and "Reliable"?

"Consistent" means: Always happening in the same way or showing the same quality. "Reliable" means: Someone or something you can trust to work well or be true.

When should I use "Consistent" and "Reliable"?

They can all be used in everyday English.

Are "Consistent" and "Reliable" the same CEFR level?

"Consistent" is at B2, "Reliable" is at B1 on the CEFR scale.

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