Scour

Part of speech: verb

Pronunciation: /ˈskaʊə/

Definitions

  1. To clean thoroughly by scrubbing | To examine or search diligently for something | To move rapidly through a place while searching for something
  2. To clean a surface meticulously through intense scrubbing | To search extensively and carefully in order to find something | To traverse an area quickly while looking for specific items or information
  3. To clean with great effort, usually through scrubbing | To search thoroughly and meticulously in pursuit of something | To traverse an area swiftly while seeking specific items or details

Etymology: The verb in question has a history tied to the idea of cleaning or removing dirt by vigorous rubbing or scrubbing. It first appeared in English around the late Middle Ages, roughly the 14th or 15th century, carrying the sense of cleansing or polishing surfaces by abrasion. This physical action of removing grime or unwanted matter laid the foundation for its later, broader meanings. Its origin traces back to Old Norse through the verb "skura," meaning to shave or scrub. This Norse influence entered English during the period of Viking contact and settlement, which introduced many maritime and everyday terms related to cleaning and preparation. The original Norse sense involved scraping or shaving off layers, which naturally extended to washing or scrubbing surfaces clean. Over time, the term expanded beyond the literal act of scrubbing and came to describe searching thoroughly or examining closely, as if one were cleansing or clearing an area of hidden things. This metaphorical leap from physical cleaning to exhaustive searching illustrates how action verbs often develop abstract senses by analogy. The pronunciation has remained fairly stable, retaining the diphthong /aʊ/ as in "cow," which echoes the Old Norse root. The word’s adaptability has kept it in common use, from household chores to figurative expressions like "scouring the countryside," all connected by the core idea of thoroughness and removal.

Synonyms: clean, scrub, polish, wash, buff

Antonyms: dirty, soil, smear, stain, pollute