invariable
gb/ɪnvˈɛɹiəbəl/ us/ɪnvˈɛɹiəbəl/
C1
English
Senses
0 senses
adjective
formal
C1
property
1
not changing; always the same
Always the same; not changing.
Usage pattern:
[something] is/remains invariable; an invariable [noun]
Common mistake:
Often confused with invariable meaning “inevitable.” Something can be invariable (always the same) without being impossible to change.
Synonyms
constant (More common and slightly broader; can suggest steady level as well as sameness.)
|
unchanging (Direct and neutral; focuses on no change over time.)
|
consistent (Emphasizes sameness across situations or behavior.)
Antonyms
variable (Changing or differing across cases or time.)
|
changeable (Able to change; not fixed.)
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inconsistent (Not the same from one time or case to another.)
Collocations
invariable rule
|invariable pattern
|invariable feature
|invariable result
|invariable response
|invariable practice
|remain invariable
|stay invariable
|almost invariable
|fairly invariable
Themes
time
|describing_things
|patterns
Examples
- Her morning routine is invariable: coffee, a short walk, then email.
- The invariable result of skipping sleep is a bad mood the next day.
- In this region, winter temperatures are remarkably invariable from year to year.
Learner examples
- The schedule is invariable every week.
- His answer was invariable: “No.”
adjective
technical
C2
property
2
not inflected in grammar
In grammar, a word that does not change its form.
Usage pattern:
an invariable [word/noun/adjective]; [word] is invariable
Common mistake:
Learners may apply this to meaning rather than form; here it refers only to the word’s shape (spelling/pronunciation), not what it means.
Synonyms
uninflected (Direct technical synonym focusing on lack of inflection.)
|
indeclinable (Traditional grammar term, especially for case endings.)
Antonyms
inflected (Changes form to mark grammatical information.)
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declinable (Can take different endings (especially for case/number).)
Collocations
invariable word
|invariable form
|invariable adjective
|invariable noun
|invariable particle
|invariable in form
|remain invariable
|treat as invariable
Themes
language
|linguistics
|grammar
Examples
- In English, adjectives are largely invariable, so they don’t change for gender or number.
- The teacher explained that the loanword is invariable and keeps the same form in the plural.
- In this language, some particles are invariable and never take endings.
Learner examples
- In English, most adjectives are invariable.
- This word is invariable in the plural.
Grammar
Dictionary form
invariable
IPA
GB/ɪnvˈɛɹiəbəl/
US/ɪnvˈɛɹiəbəl/
Syllables & stress
in - vari - able (3 syllables)
Stress on 2nd syllable (vari)
Word forms
Adjective
- Base: invariable
Word family
Core family
Advanced or less common
Expressions
No expressions linked to this entry yet.