unpremeditated

Definitions of unpremeditated
  1. adjective
    not premeditated
    Synonyms:
    unplanned
    without apparent forethought or prompting or planning
    impulsive
    without forethought
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    Antonyms:
    premeditated
    characterized by deliberate purpose and some degree of planning
    intended
    resulting from one's intentions
    planned
    designed or carried out according to a plan
    aforethought, planned, plotted
    planned in advance
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  2. adjective
    not prepared or planned in advance
    “asked an unpremeditated question”
    Synonyms:
    unplanned
    without apparent forethought or prompting or planning
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