Synonyms of unbroken

1 Syllable

straight, sound, fast, smooth, deep, flat, wild

2 Syllables

un-cut, flowing, uncut, choate, straightest, profound, wilder, running, unhurt, nonstop, smoothed, unbent, perfect, tidal, solid, constant, endless, straighter, level, even, planar, intact, smoother, total, planed, smoothing, wildest, smoothest, flawless, evens, termless, flattest

3 Syllables

ceaseless, uniform, undocked, whole-length, cursive, incessant, continuous, tabular, uncurled, continual, unwounded, evener, perpetual, complete, unmarred, untouched, levelling, consentient, steady-going, unalloyed, leveled, planate, regular, entire, unruffled, eternal, round-the-clock, untroubled, aeonian, unwaning, day-and-night, evened, savage, invariant, collinear, frictionless

4 Syllables

unabated, unrelenting, mirrorlike, sempiternal, unreduced, uncensored, unfluctuating, unimpaired, uninjured, undivided, undisturbed, undistracted, complanate, rectilineal, unremitting, monophonic, progressive, unhindered, never-ending, oft-repeated, monochrome, measureless, successive, indiscrete, unviolated

5 Syllables

super-excellent, self-perpetuating, unexpurgated, imperforate, unabbreviated, unalleviated, unmitigated, uninterrupted, interminate, illimitable, superexcellent

6 Syllables

undomesticated