Consistent vs Is it reliable

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

Consistent

Top 2,000 (common)B2adjective

Is it reliable

Top 2,000 (common)
 ConsistentIs it reliable
Pronunciation🇬🇧 /["/kənˈsɪstənt/"]/🇺🇸 /["/kənˈsɪstənt/"]/🇬🇧 //ɪz ɪt rɪˈlaɪəbl//🇺🇸 //ɪz ɪt rɪˈlaɪəbəl//
MeaningAlways happening in the same way or showing the same quality.Is it trustworthy and dependable?
ExampleHer performance has been consistent throughout the year, earning her the top spot in the competition.Is it reliable enough to use for my project?
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2-
Part of speechadjective
Collocationsbe, become, remain, extremely, fairly, very, be, become, remain, extremely, fairly, very, appear, be, seem, completely, entirely, fully, across, among, between, appear, be, seem, completely, entirely, fully, across, among, betweenis it reliable, reliable source, reliable information, reliable data, reliable service
Antonymsinconsistent, variable, erratic-
Common mistakesConfusing 'consistent' with 'consistent with' when discussing compatibility., Using 'consistency' incorrectly as a synonym for 'consistent'., Erroneously applying the word to describe one-time events.Confusing 'reliable' with 'rely' - 'reliable' describes something, while 'rely' implies dependence., Using 'reliable' without context - always specify what is being referred to., Omitting 'is' - often mistakenly phrased as 'It reliable?' instead of 'Is it reliable?'
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 this phrase to ask about the dependability of something. It is appropriate in both casual and formal contexts, like discussing products or information.

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Is it reliable

Frequently asked questions: Consistent vs Is it reliable

What's the difference between Consistent and Is it reliable?

Consistent: Always happening in the same way or showing the same quality. Is it reliable: Is it trustworthy and dependable?

Can you show an example of each?

Consistent: Her performance has been consistent throughout the year, earning her the top spot in the competition. Is it reliable: Is it reliable enough to use for my project?

Can I use Consistent and Is it reliable interchangeably?

Not always. Consistent and Is it reliable 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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