**Relevance**ranks synonyms and suggests the best matches based on how closely a synonym’s sense matches the sense you selected.

## Synonyms for invariant

*adj*

**even**

- constant
- equal
- flush
- horizontal
- invariable
- level
- parallel
- plane
- plumb
- proportional
- regular
- right
- same
- smooth
- square
- stabile
- stable
- steady
- straight
- true
- uniform
- alike
- balanced
- changeless
- consistent
- continual
- continuous
- direct
- equable
- homogenous
- matching
- metrical
- planate
- surfaced
- unbroken
- unchanging
- undeviating
- unfluctuating
- uninterrupted
- unvaried
- unvarying
- unwavering
- unwrinkled

## Explore Dictionary.com

## Antonyms for invariant

- broken
- changeable
- changing
- corrupt
- different
- dishonest
- disloyal
- disorderly
- disproportionate
- dissimilar
- divergent
- imbalanced
- inconsistent
- inconstant
- intermittent
- irregular
- rough
- uneven
- unfair
- unfixed
- unjust
- unlike
- unstable
- unsteady
- untrustworthy
- upright
- variable
- varying
- vertical
- wavering
- wobbly

## Example Sentences for invariant

If triangles and genera are of our own production we can keep them invariant.

At this point there exists the invariant system solid nitrile, two liquid phases, vapour.

We again obtain, therefore, the invariant system ice—salt—solution—vapour.

K is also an invariant point at which potassium iodide is in equilibrium with two liquid phases and vapour.

At this point the system is invariant, and the pressure will therefore remain constant until all the iodine has disappeared.

Since the cryohydric point is a quadruple point in a two-component system, it represents an invariant system.

This, of course, will constitute an invariant system, and the point will correspond to the point C in Fig. 108.

Since, in all cases, there can be but one gas phase, four solid phases will be necessary in order to form an invariant system.

She is the invariant of each of her iconic Mantrams and her surroundings are the variables that enter and leave the screen.

Now the possibility of translation implies the existence of an invariant.