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occasional 音标拼音: [ək'eʒənəl] a. 偶然的,非经常的;特殊场合的,临时的 偶然的,非经常的;特殊场合的,临时的 occasional adj 1: occurring from time to time; "took an occasional glass of wine" 2: occurring or appearing at usually irregular intervals; "episodic in his affections"; "occasional headaches" [synonym: {episodic}, {occasional}] 3: occurring from time to time; "casual employment"; "a casual correspondence with a former teacher"; "an occasional worker" [synonym: {casual}, {occasional}] 4: recurring or reappearing from time to time; "periodic feelings of anxiety" [synonym: {periodic}, {occasional}] Occasional \Oc*ca"sion*al\ ([o^]k*k[=a]"zh[u^]n*al), a. [Cf. F. occasionnel.] 1. Occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts. [1913 Webster] The . . . occasional writing of the present times. --Bagehot. [1913 Webster] 2. Produced by accident; as, the occasional origin of a thing. [Obs.] --Sir T. Browne. [1913 Webster] 3. Of or pertaining to an occasion or to occasions; intended for a specific occasion; for use only when needed, and not regularly. [PJC] {Occasional cause} (Metaph.), some circumstance preceding an effect which, without being the real cause, becomes the occasion of the action of the efficient cause; thus, the act of touching gunpowder with fire is the occasional, but not the efficient, cause of an explosion. [1913 Webster] 74 Moby Thesaurus words for "occasional": accessory, accidental, accompanying, additional, ado, adventitious, afloat, afoot, aleatory, auxiliary, behind the scenes, by-the-way, casual, causal, causative, ceremonial, circumstantial, conditional, constitutive, contingent, current, decisive, determinative, doing, effectual, etiological, eventuating, extra, few, formative, going on, happening, in hand, in the wind, incidental, inessential, infrequent, institutive, intermittent, irregular, nonessential, occurring, odd, off, on, on foot, ongoing, originative, out-of-the-way, parenthetical, part-time, particular, passing, periodic, pivotal, prevailing, prevalent, provisional, random, rare, resultant, ritual, scarce, seldom, side, spare, special, sporadic, supplementary, taking place, uncommon, under way, unessential, unfrequent gelegentlich
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