adj.无序的，凌乱的,
Merriam-Webster Online Dictionary
haphazard (noun) - chance
marked by lack of plan, order, or direction random
Merriam-Webster Online Thesaurus
haphazard (adjective)lacking a definite plan, purpose, or pattern
SYNONYMS:
aimless, arbitrary, catch-as-catch-can, desultory, erratic, haphazard, helter-skelter, hit-or-miss, scattered, slapdash, strayRELATED WORDS:
accidental, casual, chance, chancy, contingent, fluky ( flukey), fortuitous, inadvertent, incidental, lucky, unconsidered, unintended, unintentional, unplanned, unpremeditated; scattershot, shotgun; irregular, odd, sporadic, spot; directionless, objectless, purposeless; indiscriminate, unsystematic; undirected; disorderly, disorganized; undiscriminating, unselectiveNEAR ANTONYMS:
established, fixed, regular, set, stable, steady; constant, continuous, even; arranged, managed, orchestrated, ordered, planned; aware, conscious, deliberate, purposeful, thoughtful, willful ( wilful)without definite aim, direction, rule, or method
SYNONYMS:
aimlessly, anyhow, anyway, anywise, desultorily, erratically, haphazard, haphazardly, helter-skelter, irregularly, randomly, willy-nillyRELATED WORDS:
arbitrarily, capriciously, carelessly, casually, indiscriminately, informally, offhand, offhandedly, promiscuously, whimsically; accidentally, fortuitously, inadvertently, unconsciously, unintentionally, unwittingly; disconnectedly, disjointedly, fitfully, intermittently, spottily, unpredictably; higgledy-piggledy, topsy-turvyNEAR ANTONYMS:
carefully, formally, gingerly, meticulously, orderly, punctiliously; deliberately, intentionally, purposefully, purposely