| 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 |
| Notes: | periodic means happening or recurring at regular intervals; sporadic means occurring singly or occasionally or in scattered instances |
Antonyms: |
constant, continual, irregular, lasting, permanent, sporadic, variable |
| Main Entry: | alternate |
| Part of Speech: | adjective |
| Definition: | every other |
Synonyms: |
alternating, every second, intermittent, periodic, recurrent, recurring, rotating |
| Notes: | alternate means 'one after the other' or 'each succeeding the other in turn, especially continuously' and alternative means 'one instead of the other' or 'allowing or necessitating a choice between two or more things' |
| Main Entry: | cyclical |
| Part of Speech: | adjective |
| Definition: | happening at regular intervals |
Synonyms: |
circular, patterned, periodic, recurrent, recurring, regular, repeated, repetitive, seasonal |
| Main Entry: | daily |
| Part of Speech: | adjective |
| Definition: | occurring every day; during the day |
Synonyms: |
circadian, common, commonplace, constantly, cyclic, day after day, day by day, day-to-day, diurnal, everyday, from day to day, often, once a day, once daily, ordinary, per diem, periodic, quotidian, regular, regularly, routine |
Antonyms: |
at night, nightly, nocturnal |
| 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: | intermittent |
| 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: | odd |
| Part of Speech: | adjective |
| Definition: | miscellaneous, various |
Synonyms: |
accidental, casual, chance, contingent, different, fluky, fortuitous, fragmentary, incidental, irregular, occasional, odd-lot, periodic, random, seasonal, sundry, varied |
Antonyms: |
like, similar, unvaried |
| Main Entry: | punctual |
| Part of Speech: | adjective |
| Definition: | on time |
Synonyms: |
accurate, careful, conscientious, conscionable, constant, cyclic, dependable, early, exact, expeditious, fussy, heedful, in good time, meticulous, on schedule, on the button, on the dot, on the nose, painstaking, particular, periodic, precise, prompt, punctilious, quick, ready, recurrent, regular, reliable, scrupulous, seasonable, steady, strict, timely, under the wire |
Antonyms: |
late, tardy |
| Main Entry: | recurrent |
| Part of Speech: | adjective |
| Definition: | repeating |
Synonyms: |
alternate, chain, continued, cyclical, frequent, habitual, intermittent, isochronal, isochronous, periodic, periodical, recurring, regular, reoccurring, repeated, repetitive, rolling |
Antonyms: |
halted, infrequent, permanent, prevented, stopped |