View synonyms for log



[ lawg, log ]


  1. a portion or length of the trunk or of a large limb of a felled tree:

    Put another log on the fire.

    We dragged logs from the forest and lashed them together to make a raft.

  2. something resembling a log, as in shape or weight:

    Mix the softened butter and sage together, then put it on wax paper and roll it into a log.

  3. any of various records, made in rough or finished form, concerning a trip made by a ship or aircraft and dealing with particulars of navigation, weather, engine performance, discipline, and other pertinent details; logbook.
  4. Nautical. any of various devices for determining the speed of a ship, such as a chip log or patent log.
  5. Movies. an account describing or denoting each shot as it is taken, written down during production and referred to in editing the film.
  6. a record of a machine's operation, maintenance, etc.:

    The log shows the date of each inspection of the roller coaster, any problems noticed, and all repairs made.

    If using the photocopier for personal documents, please write your initials and the number of pages in the log.

  7. Also called well log. a record kept during the drilling of a well, especially of the geological formations penetrated.
  8. Computers. any of various chronological records made concerning the use of a computer system, the changes made to data, etc.
  9. Radio and Television. a written account of everything transmitted by a station or network.
  10. Also called log of wood. Australian Slang. a lazy, dull-witted person; fool.

verb (used with object)

, logged, log·ging.
  1. to cut (trees) into logs:

    The villagers logged pine trees for fuel.

  2. to cut down the trees or timber on (land):

    We logged the entire area in a week.

  3. to enter in a logbook or record; keep a record of:

    While at camp I logged each day’s events in a journal.

  4. to make (a certain speed), as a ship or airplane:

    We are logging 18 knots.

  5. to travel for (a certain distance or a certain amount of time), according to a record kept of one or more trips:

    We logged 30 miles the first day.

  6. to amass (a certain amount of time, number of events, or the like) working in a particular field or engaging in a particular type of activity:

    She has logged 26 years of teaching experience at the college level.

    He logged 17 shows as a model before changing careers.

verb (used without object)

, logged, log·ging.
  1. to cut down trees and remove them from the forest for timber:

    He logs for a living.

    The company has been logging in Oregon for decades.

verb phrase

    1. Also log on, sign on. Digital Technology. to enter identifying data, such as a username or password, into a database, mobile device, or computer, especially a multiuser computer or a remote or networked system, so as to access and use it: login

      Log in to start your work session. Log in to your account to pay your bill online.

    2. to enter or include any item of information or data in a record, account, etc.:

      Once the day’s stats have been logged in, let the captain see the logbook.

  1. Digital Technology. to terminate a session.



[ lawg, log ]


  1. Mathematics. logarithm.


  1. variant of logo- before a vowel:



  1. variant of -logue:




abbreviation for

  1. logic.




  1. a US variant of -logue



/ lɒɡ /


    1. a section of the trunk or a main branch of a tree, when stripped of branches
    2. modifier constructed out of logs

      a log cabin

    1. a detailed record of a voyage of a ship or aircraft
    2. a record of the hours flown by pilots and aircrews
    3. a book in which these records are made; logbook
  1. a written record of information about transmissions kept by radio stations, amateur radio operators, etc
    1. a device consisting of a float with an attached line, formerly used to measure the speed of a ship See also chip log
    2. to determine a ship's speed with such a device
  2. a claim for better pay and conditions presented by a trade union to an employer
  3. like a log
    without stirring or being disturbed (in the phrase sleep like a log )


  1. tr to fell the trees of (a forest, area, etc) for timber
  2. tr to saw logs from (trees)
  3. intr to work at the felling of timber
  4. tr to enter (a distance, event, etc) in a logbook or log
  5. tr to record the punishment received by (a sailor) in a logbook
  6. tr to travel (a specified distance or time) or move at (a specified speed)



/ lɒɡ /


  1. short for logarithm


/ lôg /

  1. A logarithm.

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Other Words From

  • log·gish adjective
  • un·logged adjective

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Word History and Origins

Origin of log1

First recorded in 1350–1400; Middle English logge, variant of lugge “pole, limb of tree”; compare obsolete logget “pole”; lugsail

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Word History and Origins

Origin of log1

C14: origin obscure

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Idioms and Phrases

In addition to the idiom beginning with log , also see easy as pie (rolling off a log) ; like a bump on a log ; sleep like a log .

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Example Sentences

If accounts conflict, NSO can demand logs that reveal targets.

These logs don’t contain the content the spyware extracted, like chats or emails—NSO insists it never sees specific intelligence—but do include metadata such as a list of all the phones the spyware tried to infect and their locations at the time.

Another reason to use a log scale is that it allows scientists to show data easily.

Filebeat will be needed to interpret your logs before you send them to Elasticsearch.

This approach harnesses the power of Elasticsearch to help create powerful visualizations using your log files.

Turn off the TV, put down your phone, and log off the computer.

The young man weaves through clusters of bamboo and cuts a diagonal slash into a tree, positioning a hollow log at the end.

Official Donetsk Republic business was log-jammed because the high command had only one stamp for documents and identity papers.

One morning a few years ago, the editor left his apartment to find an ax stuck into a log on his doorstep.

The Spires gather data every time somebody uses them; they log each “product.”

You see, I stuck to him like a log to a root, but for the first week or so 'twant no use—not a bit.

Neither of us spoke again, and at length the squat log buildings of Pend d' Oreille loomed ahead of us in the night.

“There are no sahib-log in the town,” he said, for Malcolm deemed it advisable to begin by a question on that score.

In the centre was a log-house, larger and more pretentious than many log-houses which he had seen in the South.

Instead, he came to me and lifted to my knee one of those ponderous feet of his, and tried to pull me from my log.


Related Words

Definitions and idiom definitions from Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.