Definition of precursory in English:

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Pronunciation: /prēˈkərsərē/


Preceding something in time, development, or position; preliminary: precursory seismic activity
More example sentences
  • This eruption began in July 1995 with phreatic explosions following 3 years of precursory seismic activity.
  • Steven Soter, an astronomer in the Museum's Department of Astrophysics, is researching seismic precursory phenomena and the geoarchaeology of ancient Helike, a Greek city destroyed by an earthquake in 373 B.C.
  • The activity observed in 1994 occurred largely at the site of the 1998 eruption and may have indicated precursory volcanic activity at a site on the brink of an eruption.
preliminary, prior, previous, introductory, preparatory, prefatory
formal anterior, prevenient


Late 16th century: from Latin praecursorius, from praecurs- 'preceded' (see precursor).

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Syllabification: pre·cur·so·ry

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