irregular

Synonyms

aperiodic, casual, catchy, choppy, discontinuous, episodic (also episodical), erratic, fitful, intermittent, occasional, spasmodic, spastic, sporadic, spotty, unsteady;

Antonyms

constant, continuous, habitual, periodic, regular, repeated, steady;

Near Antonyms

changeless, equable, even, stable, stationary, uniform;

unchanging, unvarying, unwavering;

methodical (also methodic), orderly, systematic;

unrelenting, unremitting;

Related Words

convulsive, sudden, violent;

broken, disconnected, fragmentary, interrupted;

aimless, arbitrary, desultory, haphazard, hit-and-miss, hit-or-miss, odd, random, scattered, slapdash, stray;

capricious, changeful, changing, flickery, fluctuating, fluid, inconstant, mercurial, mutable, temperamental, uncertain, unpredictable, unsettled, unstable, varying, wavering;

changeable, fickle, variable, volatile;