verb (used with object)
  1. to fish (an area) excessively; to exhaust the supply of usable fish in (certain waters): Scientists are concerned that fishing boats may overfish our coastal waters.
verb (used without object)
  1. to fish so as to deplete the supply of fish in certain waters: If the trawlers are going to overfish here, we'll need legislation to restrict their hauls.

Origin of overfish

First recorded in 1865–70; over- + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for overfishing

Contemporary Examples of overfishing

Historical Examples of overfishing