| Main Entry: | unpremeditated |
| Part of Speech: | adjective |
| Definition: | not planned |
Synonyms: |
accidental, extemporaneous, extempore, hasty, headlong, impromptu, offhand, undesigned, unintentional |
Antonyms: |
premeditated |
| Main Entry: | casual |
| Part of Speech: | adjective |
| Definition: | chance, random |
Synonyms: |
accidental, adventitious, by chance, contingent, erratic, extemporaneous, extempore, fluky, fortuitous, impromptu, improvised, impulsive, incidental, infrequent, irregular, occasional, odd, offhand, serendipitous, spontaneous, uncertain, unexpected, unforeseen, unintentional, unplanned, unpremeditated |
| Notes: | casual means suited for everyday use, informal or occurring by chance - while causal means involving or constituting a cause |
Antonyms: |
deliberate, painstaking, planned, premeditated |
| Main Entry: | extemporaneous/extemporary |
| Part of Speech: | adjective |
| Definition: | unrehearsed, improvised |
Synonyms: |
ad hoc, ad lib, at first glance, automatic, by ear, casual, expedient, extempore, free, immediate, impromptu, improv, improvisatory, improviso, informal, jamming, made-up, makeshift, off the cuff, off the top of head, offhand, on impulse, on-the-spot, snap, spontaneous, spur-of-the-moment, taking for ride, thought out loud, tossed off, tossed out, unplanned, unpremeditated, unprepared, unstudied, winging it |
Antonyms: |
planned, prepared, read, rehearsed, written |
| 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 |
| Main Entry: | impetuous |
| Part of Speech: | adjective |
| Definition: | acting without thinking |
Synonyms: |
abrupt, ardent, eager, fervid, fierce, furious, going off deep end, hasty, headlong, hurried, impassioned, impulsive, passionate, precipitant, precipitate, precipitous, rash, restive, rushing, spontaneous, spur-of-the-moment, subitaneous, sudden, swift, unbridled, unexpected, unplanned, unpremeditated, unreflecting, unrestrained, unthinking, vehement, violent |
Antonyms: |
calm, cautious, circumspect, considerate, reflective, sensible, thoughtful, wise |
| Main Entry: | impromptu |
| Part of Speech: | adjective, adverb |
| Definition: | unrehearsed, improvised |
Synonyms: |
ad-lib, dashed off, extemporaneous, extempore, extemporized, fake, faked, improv, improviso, off the cuff, offhand, played by ear, shot from the hip, spontaneous, spur-of-the-moment, thrown off, tossed off, unpremeditated, unprepared, unscripted, unstudied, vamped, whipped up, winged* |
Antonyms: |
deliberate, designed, planned, premeditated, rehearsed |
| Main Entry: | impulsive |
| Part of Speech: | adjective |
| Definition: | tending to act without thought |
Synonyms: |
abrupt, ad-lib, automatic, careless, devil-may-care, emotional, extemporaneous, flaky*, gone off deep end, hasty, headlong, hot-and-cold, impetuous, instinctive, intuitive, involuntary, jumping the gun, mad, offhand, passionate, precipitate, quick, rash, spontaneous, sudden, swift, unconsidered, unexpected, unmeditated, unpredictable, unpremeditated, unprompted, up-and-down, violent, winging it |
Antonyms: |
cautious, considering, heedful, premeditative, thoughtful, wise |
| Main Entry: | inadvertent |
| Part of Speech: | adjective |
| Definition: | accidental |
Synonyms: |
careless, chance, feckless, heedless, irreflective, negligent, not on purpose, reckless, thoughtless, uncaring, unconcerned, undesigned, undevised, unheeding, unintended, unintentional, unmindful, unplanned, unpremeditated, unthinking, unthought, unwitting |
Antonyms: |
advertent, attentive, deliberate, intentional, planned |
| Main Entry: | instinctive |
| Part of Speech: | adjective |
| Definition: | reflex, automatic |
Synonyms: |
accustomed, by seat of one's pants, congenital, habitual, impulsive, inborn, ingrained, inherent, innate, instinctual, intrinsic, intuitional, intuitive, involuntary, knee-jerk, mechanical, native, natural, normal, regular, rooted, second-nature, spontaneous, typical, unlearned, unmeditated, unpremeditated, unprompted, unthinking, visceral |
Antonyms: |
conscious, deliberate, meditated, reasonable, sensible |