| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | accidental, unforeseeable |
| Synonyms: | adventitious, at random, casual, contingent, fluky, fortuitous, fortunate, happy, inadvertent, incidental, lucky, odd, offhand, unforeseen, unintentional, unlooked for, unplanned |
| Antonyms: | designed, foreseeable, planned, understood |
| Main Entry: | accidental |
| Part of Speech: | adjective |
| Definition: | happening unexpectedly |
| Synonyms: | adventitious, casual, chance, coincidental, contingent, fluky, fortuitous, inadvertent, incidental, random, uncalculated, unexpected, unforeseen, unintended, unintentional, unplanned |
| Notes: | accidental stresses chance; fortuitous so strongly suggests chance that it often connotes absence of cause |
| Antonyms: | decided, designed, essential, intended, intentional, planned, premeditated |
| Main Entry: | aimless |
| Part of Speech: | adjective |
| Definition: | having no goal |
| Synonyms: | accidental, any which way, bits-and-pieces, blind, capricious, careless, casual, chance, desultory, directionless, drifting, erratic, fanciful, fickle, fits and starts, flighty, fortuitous, frivolous, goalless, haphazard, heedless, hit-or-miss, indecisive, indiscriminate, irresolute, objectless, pointless, purposeless, random, shiftless, stray, thoughtless, unavailing, undirected, unguided, unplanned, unpredictable, vagrant, wandering, wanton, wayward |
| Antonyms: | determined, directed, goal-oriented, motivated, pointed, purposeful, resolute |
| Main Entry: | coincidental |
| Part of Speech: | adjective |
| Definition: | accidental |
| Synonyms: | casual, chance, circumstantial, fluky, fortuitous, incidental, unintentional, unplanned |
| Antonyms: | decided, deliberate, designed, planned |
| Main Entry: | contingent |
| Part of Speech: | adjective |
| Definition: | conditional; possible |
| Synonyms: | accidental, casual, chance, controlled by, dependent, fluky, fortuitous, haphazard, incidental, likely, odd, probable, probably, random, subject to, unanticipated, uncertain, unexpected, unforeseeable, unforeseen, unpredictable |
| Antonyms: | certain, definite, real, sure, truthful, unconditional |
| Main Entry: | desultory |
| Part of Speech: | adjective |
| Definition: | random |
| Synonyms: | aimless, chance, chaotic, deviating, erratic, haphazard, orderless, rambling, unmethodical, unstable, unsystematic, without purpose |
| Main Entry: | fortuitous |
| Part of Speech: | adjective |
| Definition: | lucky, accidental |
| Synonyms: | arbitrary, casual, chance, contingent, fluke, fluky, fortunate, haphazard, happy, incidental, luck in, luck out, lucky-dog, odd, providential, random, serendipitous, unforeseen, unplanned |
| Antonyms: | calculated, deliberate, designed, intentional, planned, unlucky |
| Main Entry: | haphazard |
| Part of Speech: | adjective |
| Definition: | without plan or organization |
| Synonyms: | accidental, aimless, all over the map, any old way, any which way, arbitrary, careless, casual, chance, designless, desultory, devil-may-care, disorderly, disorganized, erratic, fluke, helter-skelter, hit-or-miss, incidental, indiscriminate, irregular, loose, offhand, purposeless, random, reckless, slapdash, slipshod, spontaneous, sudden, unconcerned, unconscious, unconsidered, uncoordinated, unexpected, unmethodical, unorganized, unpremeditated, unsystematic, unthinking, willy-nilly |
| Antonyms: | careful, designed, intentional, methodical, organized, planned, straight, systematic, thought-out |
| Main Entry: | hit-or-miss |
| Part of Speech: | adjective |
| Definition: | random |
| Synonyms: | accidental, aimless, arbitrary, casual, chance, contingent, fluky, fortuitous, haphazard, incidental, irregular, slipshod, trial-and error, unplanned, unpremeditated |