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Pronunciation:  `aksi'dentl

WordNet Dictionary
  1. [n]  a musical notation that makes a note sharp or flat or natural although that is not part of the key signature
  2. [adj]  without intention; especially resulting from heedless action; "with an inadvertent gesture she swept the vase off the table"; "accidental poisoning";"an accidental shooting"
  3. [adj]  associated by chance and not an integral part; "poetry is something to which words are the accidental, not by any means the essential form"- Frederick W. Robertson; "they had to decide whether his misconduct was adventitious or the result of a flaw in his character"
  4. [adj]  occurring or appearing or singled out by chance; "their accidental meeting led to a renewal of their friendship"; "seek help from casual passers-by"; "a casual meeting"; "a chance occurrence"

ACCIDENTAL is a 10 letter word that starts with A.


 Synonyms: adventitious, casual, chance(a), extrinsic, inadvertent, unintended, unplanned
 See Also: musical notation



Webster's 1913 Dictionary
  1. \Ac`ci*den"tal\, a. [Cf. F. accidentel, earlier
    1. Happening by chance, or unexpectedly; taking place not
       according to the usual course of things; casual;
       fortuitous; as, an accidental visit.
    2. Nonessential; not necessary belonging; incidental; as, are
       accidental to a play.
    {Accidental chords} (Mus.), those which contain one or more
       tones foreign to their proper harmony.
    {Accidental colors} (Opt.), colors depending on the
       hypersensibility of the retina of the eye for
       complementary colors. They are purely subjective
       sensations of color which often result from the
       contemplation of actually colored bodies.
    {Accidental point} (Persp.), the point in which a right line,
       drawn from the eye, parallel to a given right line, cuts
       the perspective plane; so called to distinguish it from
       the principal point, or point of view, where a line drawn
       from the eye perpendicular to the perspective plane meets
       this plane.
    {Accidental lights} (Paint.), secondary lights; effects of
       light other than ordinary daylight, such as the rays of
       the sun darting through a cloud, or between the leaves of
       trees; the effect of moonlight, candlelight, or burning
       bodies. --Fairholt.
    Syn: Casual; fortuitous; contingent; occasional;
    Usage: {Accidental}, {Incidental}, {Casual}, {Fortuitous},
           {Contingent}. We speak of a thing as accidental when
           it falls out as by chance, and not in the regular
           course of things; as, an accidental meeting, an
           accidental advantage, etc. We call a thing incidental
           when it falls, as it were, into some regular course of
           things, but is secondary, and forms no essential part
           thereof; as, an incremental remark, an incidental
           evil, an incidental benefit. We speak of a thing as
           casual, when it falls out or happens, as it were, by
           mere chance, without being prearranged or
           premeditated; as, a casual remark or encounter; a
           casual observer. An idea of the unimportant is
           attached to what is casual. Fortuitous is applied to
           what occurs without any known cause, and in opposition
           to what has been foreseen; as, a fortuitous concourse
           of atoms. We call a thing contingent when it is such
           that, considered in itself, it may or may not happen,
           but is dependent for its existence on something else;
           as, the time of my coming will be contingent on
           intelligence yet to be received.
  2. \Ac`ci*den"tal\, n.
    1. A property which is not essential; a nonessential;
       anything happening accidentally.
             He conceived it just that accidentals . . . should
             sink with the substance of the accusation. --Fuller.
    2. pl. (Paint.) Those fortuitous effects produced by luminous
       rays falling on certain objects so that some parts stand
       forth in abnormal brightness and other parts are cast into
       a deep shadow.
    3. (Mus.) A sharp, flat, or natural, occurring not at the
       commencement of a piece of music as the signature, but
       before a particular note.
Thesaurus Terms
 Related Terms: accessory, accident, accidentally, accompanying, addendum, addition, additional, adjunct, ado, adscititious, adventitious, afloat, afoot, aleatory, appendage, appurtenance, appurtenant, ascititious, auxiliary, breve, by-the-way, casual, casually, causeless, chance, chancy, circumstantial, coincident, coincidental, collateral, conditional, contingency, contingent, crotchet, current, demisemiquaver, dependent, destinal, dicey, doing, dominant, dominant note, double whole note, eighth note, enharmonic, enharmonic note, eventuating, extra, fatal, fatidic, flat, fluky, fortuitous, fortuitously, going on, half note, happening, happenstance, hemidemisemiquaver, iffy, in hand, in the wind, inadvertent, incidental, indeterminate, inessential, lucky, mere chance, minim, musical note, natural, nonessential, note, not-self, occasional, occurring, odd, on, on foot, ongoing, other, parenthetical, passing, patent note, prevailing, prevalent, provisional, quarter note, quaver, random, report, responding note, resultant, risky, secondary, semibreve, semiquaver, serendipitous, shaped note, sharp, sixteenth note, sixty-fourth note, spiccato, staccato, subsidiary, superadded, superaddition, superfluous, supervenient, supplement, supplemental, supplementary, sustained note, taking place, tercet, thirty-second note, tone, triplet, unanticipated, uncalculated, uncaused, under way, undesigned, undetermined, unessential, unexpected, unforeseeable, unforeseen, unintended, unintentional, unlooked-for, unlucky, unmeant, unplanned, unpredictable, unpremeditated, unpurposed, unwitting, whole note