| 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 |
| Notes: | accidental stresses chance; fortuitous so strongly suggests chance that it often connotes absence of cause aleatory refers to the present or future while fortuitous is more about past events fortunate means having unexpected good fortune or luck; fortuitous means happening by chance or coming or occurring by accident or without any known cause |
| 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 |