| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | related; minor |
| Synonyms: | accidental, accompanying, adventitious, ancillary, attendant, by-the-way, casual, chance, circumstantial, coincidental, concomitant, concurrent, contingent, contributing, contributory, fluke, fortuitous, irregular, nonessential, occasional, odd, random, secondary, subordinate, subsidiary |
| Antonyms: | basic, essential, fundamental, important, vital |
| Main Entry: | random |
| Part of Speech: | adjective |
| Definition: | haphazard, chance |
| Synonyms: | accidental, adventitious, aimless, arbitrary, casual, contingent, designless, desultory, driftless, fluky, fortuitous, hit-or-miss, incidental, indiscriminate, irregular, objectless, odd, promiscuous, purposeless, slapdash, spot, stray, unaimed, unconsidered, unplanned, unpremeditated |
| Antonyms: | definite, methodical, particular, specific, systematic |
| Main Entry: | surprising |
| Part of Speech: | adjective |
| Definition: | unexpected |
| Synonyms: | accidental, amazing, astonishing, chance, electrifying, extraordinary, fortuitous, from left field, impulsive, out of the blue, remarkable, shocking, startling, stunning, sudden, unanticipated, unforeseen, unpredictable, unpredicted, without warning, wonderful |
| Main Entry: | uncalled-for |
| Part of Speech: | adjective |
| Definition: | unnecessary |
| Synonyms: | accidental, avoidable, fortuitous, futile, inappropriate, inessential, needless, nonessential, not required, optional, unessential, uninvited, unneeded, unrequired, unwanted, unwarranted, unwelcome, useless |
| Main Entry: | unconscious |
| Part of Speech: | adjective |
| Definition: | ignorant; automatic |
| Synonyms: | accidental, gut, inadvertent, inattentive, inherent, innate, instinctive, involuntary, latent, lost, reflex, repressed, subconscious, subliminal, suppressed, unaware, uncalculated, undeliberate, unheeding, unintended, unintentional, unmindful, unpremeditated, unrealized, unwitting |
| Antonyms: | aware, conscious, decided, intended, intentional, knowing |
| Main Entry: | unexpected |
| Part of Speech: | adjective |
| Definition: | surprising |
| Synonyms: | abrupt, accidental, amazing, astonishing, chance, electrifying, eye-opening, fortuitous, from left field, impetuous, impulsive, instantaneous, not bargained for, not in the cards, out of the blue, payback, prodigious, staggering, startling, stunning, sudden, swift, unanticipated, unforeseen, unheralded, unlooked-for, unpredictable, unpredicted, wonderful |
| Antonyms: | expected |
| Main Entry: | unforeseen |
| Part of Speech: | adjective |
| Definition: | surprising |
| Synonyms: | abrupt, accidental, from left field, not bargained for, out of the blue, startling, sudden, surprise, unanticipated, uncalculated, unexpected, unlooked-for |
| Antonyms: | expected, foreseen, predictable, predicted |
| Main Entry: | unintentional/unintended |
| Part of Speech: | adjective |
| Definition: | not planned |
| Synonyms: | accidental, aimless, casual, chance, erratic, extemporaneous, fortuitous, haphazard, inadvertent, involuntary, purposeless, random, unconscious, undesigned, undevised, unexpected, unforeseen, unintended, unplanned, unpremeditated, unthinking, unthought, unwitting |
| Antonyms: | definite, deliberate, intended, intentional, planned |
| Main Entry: | unnecessary |
| Part of Speech: | adjective |
| Definition: | not required |
| Synonyms: | accidental, additional, avoidable, beside the point, casual, causeless, chance, dispensable, excess, exorbitant, expendable, extraneous, extrinsic, fortuitous, futile, gratuitous, haphazard, inessential, irrelevant, lavish, needless, noncompulsory, nonessential, optional, prodigal, profuse, random, redundant, supererogatory, superfluous, surplus, uncalled-for, uncritical, undesirable, unessential, unneeded, unrequired, useless, wanton, worthless |
| Antonyms: | indispensable, necessary, needed, required |