Invariable

//ɪnˈvɛɹ.i.ə.bl̩// adj, noun

adj, noun ·Moderate ·High school level

Definitions

Noun
  1. 1
    Something that does not vary; a constant.
  2. 2
    a quantity that does not vary wordnet
Adjective
  1. 1
    Not variable; unalterable; uniform; always having the same value. not-comparable

    "Physical laws which are invariable."

  2. 2
    Constant. not-comparable
  3. 3
    That cannot undergo inflection, conjugation or declension. broadly, not-comparable

    "The French adjective marron ‘brown’ is invariable: it does not take the usual s in the plural."

Adjective
  1. 1
    not liable to or capable of change wordnet

Synonyms

All synonyms
constantinvariantunvaryingabidingaccordantalike

Example

More examples

"In Toki Pona, all words are invariable."

Etymology

From in- + variable.

Related phrases

invariable penduluminvariable plane

More for "invariable"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.