| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | irregular, sporadic |
| Synonyms: | alternate, arrested, broken, by bits and pieces, checked, cyclic, cyclical, discontinuing, discontinuous, epochal, every other, fitful, here and there, hit-or-miss, infrequent, interrupted, isochronal, isochronous, iterant, iterative, metrical, now and then, occasional, on and off, periodic, periodical, punctuated, recurrent, recurring, rhythmic, rhythmical, seasonal, serial, shifting, spasmodic, stop-and-go |
| Antonyms: | constant, continual, continuing, perpetual, regular |
| Main Entry: | broken |
| Part of Speech: | adjective |
| Definition: | discontinuous |
| Synonyms: | disconnected, disturbed, erratic, fragmentary, incomplete, intermittent, interrupted, irregular, spasmodic, spastic |
| Antonyms: | complete, connected, continuous, unbroken |
| Main Entry: | fitful |
| Part of Speech: | adjective |
| Definition: | irregular, sporadic |
| Synonyms: | bits and pieces, broken, capricious, catchy*, changeable, desultory, disturbed, erratic, flickering, fluctuating, haphazard, herky-jerky, hit-or-miss, impulsive, inconstant, intermittent, interrupted, on-again-off-again, periodic, random, recurrent, restive, restless, shifting, spasmodic, spastic, spotty, unstable, variable |
| Antonyms: | constant, continuous, even, regular, undisturbed, unvarying |
| Main Entry: | frequent |
| Part of Speech: | adjective |
| Definition: | common, repeated |
| Synonyms: | a good many, commonplace, constant, continual, customary, everyday, expected, familiar, general, habitual, incessant, intermittent, iterated, manifold, many, monotonous, numberless, numerous, periodic, perpetual, persistent, pleonastic, profuse, recurrent, recurring, redundant, reiterated, reiterative, successive, thick, ubiquitous, usual, various |
| Antonyms: | inconstant, infrequent, irregular, occasional, rare, sporadic, uncommon, unrepeated, unusual |
| Main Entry: | inconstant |
| Part of Speech: | adjective |
| Definition: | changeable |
| Synonyms: | capricious, changeful, erratic, fickle, flickering, fluctuating, impulsive, inconsistent, intermittent, irregular, irresolute, mercurial, shifting, uncertain, undependable, unreliable, unsettled, unstable, vacillating, variable, varying, volatile, waffling, wavering |
| Main Entry: | irregular |
| Part of Speech: | adjective |
| Definition: | random, variable |
| Synonyms: | aberrant, aimless, capricious, casual, changeable, designless, desultory, disconnected, discontinuous, eccentric, erratic, faltering, fitful, fluctuating, fragmentary, haphazard, hit-or-miss, inconstant, indiscriminate, infrequent, intermittent, jerky, nonuniform, occasional, out of order, patchy, purposeless, recurrent, shaky, shifting, spasmodic, sporadic, uncertain, unconsidered, uneven, unmethodical, unpunctual, unreliable, unsettled, unsteady, unsystematic, up and down, weaving |
| Antonyms: | conventional, methodical, regular, systematic |
| Main Entry: | occasional |
| Part of Speech: | adjective |
| Definition: | irregular, sporadic |
| Synonyms: | casual, desultory, especial, exceptional, exclusive, few, incidental, infrequent, intermittent, not habitual, odd, off and on, particular, random, rare, scarce, seldom, special, specific, uncommon, unfrequent, unusual |
| Antonyms: | constant, frequent, regular, steady, usual |
| Main Entry: | periodic |
| Part of Speech: | adjective |
| Definition: | at fixed intervals |
| Synonyms: | alternate, annual, at various times, centennial, cyclic, cyclical, daily, epochal, every once in a while, every so often, fluctuating, hourly, infrequent, intermittent, isochronal, isochronous, monthly, occasional, on certain occasions, on-again-off-again, orbital, perennial, periodical, recurrent, recurring, regular, repeated, rhythmic, routine, seasonal, serial, spasmodic, sporadic, weekly, yearly |
| Antonyms: | constant, continual, irregular, lasting, permanent, sporadic, variable |
| Main Entry: | perpetual |
| Part of Speech: | adjective |
| Definition: | continual, lasting |
| Synonyms: | abiding, ceaseless, constant, continued, continuous, endless, enduring, eternal, everlasting, going on, immortal, imperishable, incessant, infinite, interminable, intermittent, never-ceasing, never-ending, perdurable, perennial, permanent, persistent, recurrent, recurring, reoccurring, repeated, repeating, repetitious, returning, sempiternal, unceasing, unchanging, undying, unending, unfailing, uninterrupted, unremitting, without end |
| Antonyms: | brief, ephemeral, fleeting, momentary, temporary, transient |