EXTEMPORAL
Source: 566, 567
extemporal|extemporaneous|extemporary. Extemporal, or Extemporaneous, or Extemporary, a. sudden, unpremeditated, without study
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Ex‐tem″po‐ral (?), a. [[L. extemporalis, from ex tempore.]] Extemporaneous; unpremeditated. B. Jonson. — Ex‐tem″po‐ral‐ly, adv.