Constant vs Fixed vs Steady

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

Constant

Top 2,000 (common)B2adjective

Fixed

Top 1,000 (very common)B1adjective

Steady

Top 1,000 (very common)B2adjective
 ConstantFixedSteady
Pronunciation🇬🇧 /["/ˈkɒnstənt/"]/🇺🇸 /["/ˈkɑːnstənt/"]/🇬🇧 /["/fɪkst/"]/🇺🇸 /["/fɪkst/"]/🇬🇧 /["/ˈstedi/"]/🇺🇸 /["/ˈstedi/"]/
MeaningSomething that stays the same and doesn't change.Something that is not changed or is repaired.Not changing; stable.
ExampleShe is a constant source of inspiration for her team.These fixed prices give farmers a degree of financial security.She has a steady job that provides her with financial security.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 1,000 (very common)
CEFR levelB2B1B2
Part of speechadjectiveadjectiveadjective
Collocationsbe, remain, stay, fairly, reasonably, relatively, across, over, be, remain, stay, fairly, reasonably, relatively, across, overbe, seem, become, very, firmly, securely, be, seem, become, very, firmly, securelybe, seem, become, remarkably, very, fairly, be, feel, look, extremely, fairly, very
Antonymsvariable, changing, inconstantbroken, loose, unsteadyunstable, fluctuating, irregular
Common mistakes'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.Confusing 'fixed' with 'fixated', which means to be obsessed., Using 'fixed' in the wrong tense, like saying 'I fix the problem' instead of 'I fixed the problem.', Misplacing 'fixed' in a sentence, leading to unclear meaning.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 notesUse '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 'fixed' when something has been repaired or when it's stable and unchanging. Avoid in casual conversations unless referring to repairs or adjustments.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.

See it in real clips

Fixed
Steady

Frequently asked questions: Constant vs Fixed vs Steady

What's the difference between Constant, Fixed, and Steady?

Constant: Something that stays the same and doesn't change. Fixed: Something that is not changed or is repaired. Steady: Not changing; stable.

Are Constant, Fixed, and Steady the same CEFR level?

Constant: B2, Fixed: B1, Steady: B2 on the CEFR scale.

What part of speech are Constant, Fixed, and Steady?

Constant: adjective, Fixed: adjective, Steady: adjective.

Can you show an example of each?

Constant: She is a constant source of inspiration for her team. Fixed: These fixed prices give farmers a degree of financial security. Steady: She has a steady job that provides her with financial security.

Can I use Constant, Fixed, and Steady interchangeably?

Not always. Constant, Fixed, 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.

Related comparisons