desultory
[adjective]
Synonyms: fitful, catchy, on-again-off-again, spasmodic, sporadic, spotty, random, aimless, casual, designless, haphazard, hit-or-miss, indiscriminate, purposeless, unconsidered, unplanned

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Antonyms: steady, assiduous, methodical
Contrasted words: constant, invariable, unchanging, unfailing, orderly, systematic
Related Words: erratic, shifting, vagrant, wavering, fitful, spasmodic, disorderly, unmethodical, unsystematic, capricious, fickle, inconstant, mercurial

[TahlilGaran] English Synonym Dictionary ▲

des‧ul‧to‧ry /ˈdesəltəri, ˈdez- $ -tɔːri/ adjective formal
[Date: 1500-1600; Language: Latin; Origin: desultorius, from desilire 'to jump down']
done without any particular plan or purpose:
They talked briefly in a desultory manner.
—desultorily /ˈdesəltərəli, ˈdesəltərɪli, ˈdez- $ -tɔːrəli/ adverb

[TahlilGaran] Dictionary of Contemporary English ▲