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adjective
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
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adjective
abnormal, peculiar
Synonyms: aberrant, anomalous, atypical, capricious, deviant, different, disorderly, divergent, eccentric, exceptional, extraordinary, immoderate, improper, inappropriate, inordinate, odd, off-key, queer, quirky, singular, strange, unconventional, unique, unnatural, unofficial, unorthodox, unsuitable, unusual
Antonyms: common, conventional, normal, standard, usual
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adjective
bumpy, uneven
Synonyms: aberrant, amorphous, asymmetrical, bent, broken, cockeyed, craggy, crooked, devious, disproportionate, eccentric, elliptic, elliptical, hilly, jagged, lopsided, lumpy, meandering, notched, not uniform, off-balance, off-center, out of proportion, pitted, protuberant, rough, scarred, serrate, serrated, unaligned, unbalanced, unequal, unsymmetrical, variable, wobbly, zigzagged
Antonyms: even, flat, level, smooth