What is another word for Accidental in english

The list of words which can be used for Accidental while creating sentence in english language. unintended incidental accidental, random, ancillary, coincidental, casual unplanned inadvertent unintentional, unintended, careless, unwitting, reckless unforeseen random unintentional coincidental unintentional, incidental, fortuitous, circumstantial chance contingent adventitious accidental, casual, extrinsic, foreign, fortuitous casual occasional, spontaneous, offhand, accidental, adventitious fluky accidental, casual, chancy, coincidental, contingent fortuitous unforeseen, random, odd, fortunate, arbitrary, casual uncalculated 
Usage of Accidental in sentences
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