Synonyms for Scour:

n.

rip, pierce, riddle, gouge, puncture, tear, dent, rub, bore. shine, finish, rub out, dab, buff, inquire, hunt, polish. search out, scavenge, pick through, hunt down, go through, put on, seek out, look out for. scrape. scour (noun)
purge, scrub, flush, abrade.

v.

change (verb)
purge, flush.
clean, polish thoroughly (verb)
rub, purge, scrub, buff, flush, abrade.
search (verb)
peer, seek, forage, search, rummage, probe, sift, look for, comb, peek, rifle, pry, winnow.
search thoroughly (verb)
look for, rummage, comb, seek, hunt, inquire, forage.

Other synonyms:

rub out, shine, rip, buff. tear, finish. dab. rub, polish. abrade
scrape, abrade.
clean
winnow.
search
search, look for.
Other relevant words:
scavenge, polish, rub, flush, buff, finish, abrade, hunt, shine, comb, scrub, pick through, scrape, purge, rub out, go through, inquire, tear.

Usage examples for scour

  1. They told him they had already made up their minds to go to the mountains of Toledo, and thence to scour all the surrounding country, and lay it under contribution. – The Exemplary Novels of Cervantes by Miguel de Cervantes Saavedra
  2. They kneel on the floor, and with sand and water scour the crimson flagstones. – Prison Memoirs of an Anarchist by Alexander Berkman
  3. Go, send out my riders, and scour Gosh for him. – The Glugs of Gosh by C. J. Dennis