Cool MateConsistent vs Constant vs Reliable vs Steady
When to use each in English, with meaning, register, and examples.
Consistent
Constant
Reliable
Steady
| Consistent | Constant | Reliable | Steady | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/kənˈsɪstənt/"]/🇺🇸 /["/kənˈsɪstənt/"]/ | 🇬🇧 /["/ˈkɒnstənt/"]/🇺🇸 /["/ˈkɑːnstənt/"]/ | 🇬🇧 /["/rɪˈlaɪəbl/"]/🇺🇸 /["/rɪˈlaɪəbl/"]/ | 🇬🇧 /["/ˈstedi/"]/🇺🇸 /["/ˈstedi/"]/ |
| Meaning | Always happening in the same way or showing the same quality. | Something that stays the same and doesn't change. | Someone or something you can trust to work well or be true. | Not changing; stable. |
| Example | Her performance has been consistent throughout the year, earning her the top spot in the competition. | She is a constant source of inspiration for her team. | You can always count on her; she is very reliable. | She has a steady job that provides her with financial security. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | B2 | B2 | B1 | B2 |
| Part of speech | adjective | adjective | adjective | adjective |
| Collocations | be, 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, between | be, remain, stay, fairly, reasonably, relatively, across, over, be, remain, stay, fairly, reasonably, relatively, across, over | be, prove, seem, extremely, fairly, very, as, be, prove, seem, extremely, fairly, very, as | be, seem, become, remarkably, very, fairly, be, feel, look, extremely, fairly, very |
| Antonyms | inconsistent, variable, erratic | variable, changing, inconstant | unreliable, inconsistent, untrustworthy | unstable, fluctuating, irregular |
| Common mistakes | Confusing 'consistent' with 'consistent with' when discussing compatibility., Using 'consistency' incorrectly as a synonym for 'consistent'., Erroneously applying the word to describe one-time events. | 'Constant' confused with 'constant' meaning an unchanged quantity in mathematics., 'Constantly' used incorrectly as an adjective instead of adverb., 'Constants' misused in plural form when referring to singular concepts. | Using 'reliable' with a subject that can't be trusted., Confusing 'reliable' with 'reliant' which has a different meaning., Using 'reliable' to mean 'accurate' which is not the same. | Confused with 'steady' vs 'stedy' - 'steady' is the correct spelling., Using 'steady' in contexts that require a more dynamic word, like 'active' or 'exciting'., Mixing up 'steady' with 'steady on' - the latter is used primarily as a command. |
| Usage notes | Use '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 'constant' when discussing something that remains unchanged over time. It can be used in both formal and informal contexts, but is often used in academic or scientific discussions. | 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. | Use 'steady' to describe something that is consistent or reliable. It’s appropriate in both casual conversations and professional contexts, but avoid using it in overly emotional situations. |
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Frequently asked questions: Consistent vs Constant vs Reliable vs Steady
What's the difference between Consistent, Constant, Reliable, and Steady?
Consistent: Always happening in the same way or showing the same quality. Constant: Something that stays the same and doesn't change. Reliable: Someone or something you can trust to work well or be true. Steady: Not changing; stable.
Are Consistent, Constant, Reliable, and Steady the same CEFR level?
Consistent: B2, Constant: B2, Reliable: B1, Steady: B2 on the CEFR scale.
What part of speech are Consistent, Constant, Reliable, and Steady?
Consistent: adjective, Constant: adjective, Reliable: adjective, Steady: adjective.
Can you show an example of each?
Consistent: Her performance has been consistent throughout the year, earning her the top spot in the competition. Constant: She is a constant source of inspiration for her team. Reliable: You can always count on her; she is very reliable. Steady: She has a steady job that provides her with financial security.
Can I use Consistent, Constant, Reliable, and Steady interchangeably?
Not always. Consistent, Constant, Reliable, and Steady 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.