Synonyms of invariant

1 Syllable

right, smooth, same, straight, plumb, true, flush

2 Syllables

level, direct, square, equal, matching, plane, stable, constant, steady

3 Syllables

surfaced, alike, metrical, regular, unvaried, unchanging, uniform, consistent, parallel, continual, unbroken, unvarying, equable, changeless, unwrinkled, stabile, planate, continuous, balanced

4 Syllables

invariable, unwavering, horizontal, undeviating, unfluctuating, homogenous, proportional

5 Syllables

monochromatic, uninterrupted