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un-premeditated
| Main Entry: |
unpremeditated
|
| Part of Speech: | adjective |
| Definition: | not planned |
| Synonyms: | accidental, extemporaneous, extempore, hasty, headlong, impromptu, offhand, undesigned, unintentional |
| Antonyms: | 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* |
| Notes: | extemporaneous means 'prepared in advance and carried out with few or no notes' while impromptu means 'totally unprepared, performed on the spur of the moment' - but this distinction has been all but lost impromptu conveys unrehearsed remarks or performance with an element of surprise, while extempore only suggests that this is done without notes or props |
| Antonyms: | deliberate, designed, planned, premeditated, rehearsed |
* = informal/non-formal usage
| 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 |
| Notes: | a compulsive eater is compelled by an exterior force to eat and eats constantly; an impulsive eater is impelled (has an impulse) to eat, occurring sporadically, and eats only from time to time |
| Antonyms: | cautious, considering, heedful, premeditative, thoughtful, wise |
* = informal/non-formal usage
| 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 |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
