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[slog] /slɒg/
verb (used with object), slogged, slogging.
to hit hard, as in boxing or cricket; slug.
to drive with blows.
verb (used without object), slogged, slogging.
to deal heavy blows.
to walk or plod heavily.
to toil.
a long, tiring walk or march.
long, laborious work.
a heavy blow.
Origin of slog
1850-55; variant of slug2
Related forms
slogger, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for slog
  • All along you'll have to slog through courses unrelated to the fund-raising profession.
  • The slog down to the equator is the opportunity to put yourself in the best possible place for crossing the doldrums.
  • But public trust must be there from the beginning, or this will be a long uphill slog.
  • For years, reporters and researchers have had to slog through several poorly designed and piecemeal electronic warehouses.
  • Try to keep this in mind as you slog through those early semesters preparing a course for the first time.
  • The alternative course, and the one he put forward this week, is to slog it out.
  • What started as a way to make some easy money has turned out to be an unrelenting slog with little financial reward.
  • Since there are no quick fixes, it had better reconcile itself to the long slog.
  • The recovery will be a longer slog than many expect.
  • As a treacherous slog through deep, unmapped, toxic-fume-filled caverns.
British Dictionary definitions for slog


verb slogs, slogging, slogged
to hit with heavy blows, as in boxing
(intransitive) to work hard; toil
(intransitive; foll by down, up, along, etc) to move with difficulty; plod
(cricket) to score freely by taking large swipes at the ball
a tiring hike or walk
long exhausting work
a heavy blow or swipe
Derived Forms
slogger, noun
Word Origin
C19: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for slog

1824, "hit hard," probably a variant of slug (v.3) "to strike." Sense of "walk doggedly" first recorded 1872. Related: Slogged; slogger; slogging.


1846, "a hard hit," from slog (v.). Sense of "spell of hard work" is from 1888.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for slog


  1. A pudgy, generally unattractive, and untidy person: You great, fat slob!/ a big slob with a chin that stuck out like a shelf
  2. A slovenly and disorderly person; a sloppy and disheveled person: What a slob! You'd think his room was the town dump
  3. A mediocre person, esp one who is likely to fail or be victimized: just another poor slob

[1861+; fr Anglo-Irish, used affectionately of a quiet, fat, slow child]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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slog in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010
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