English Reference
noun · verb

tar

n. · v.
US /ˈtɑɹ/ UK /tˈɑː/ tar UK spelling tarred, tars

  1. 01 B2 Upper Intermediate

    n.a thick, black, sticky substance made from coal or wood, often used to make roads.

    n.a dark, viscous, and sticky substance consisting of hydrocarbons, derived from the destructive distillation of organic materials like coal or wood.

    Simple

    The workers poured hot tar onto the road to fill the cracks.

    In context

    The smell of boiling tar permeated the neighborhood as the roofing crew began sealing the industrial warehouse.

  2. 02 C1 Advanced Technical Computing

    n.a computer program used on Linux or Unix to collect many files into one single file.

    n.a computer utility and file format used for collecting many files into one archive file, often for distribution or backup.

    Simple

    You can use tar to group all your project files before sending them.

    In context

    The administrator used a tar command to bundle the log files before compressing them for long-term storage.

    archivetape archive
  3. 03 C2 Proficiency Technical Music

    n.a traditional string instrument with a long neck, popular in Iran and nearby countries.

    n.a long-necked, waisted lute found in Iran, Azerbaijan, and other parts of the Caucasus and Middle East.

    Simple

    The musician played a beautiful melody on the tar during the concert.

    In context

    The tar is central to Persian classical music, known for its distinct double-bowl body covered with thin lambskin.

  4. 04 B2 Upper Intermediate

    v.to cover a surface with tar.

    v.to coat or treat a surface with tar for sealing or protection.

    Simple

    They need to tar the driveway before the winter starts.

    In context

    The shipwrights worked through the afternoon to tar the hull, ensuring the vessel remained watertight for the upcoming voyage.

  5. 05 C1 Advanced Literary

    v.to make someone look bad by connecting them to something negative.

    v.to besmirch or damage a reputation by association; often used in the idiom 'tarred with the same brush'.

    Simple

    It is unfair to tar the whole group because of one person's mistake.

    In context

    The scandal threatened to tar the entire administration, regardless of whether individual members were directly involved in the fraud.

    besmirchstaintaint

The once tarred roads of this area south of Johannesburg are returning to dirt.

BBC News· 3 Sept 2026
This entry
Level C1 · Advanced
Frequency Frequent
Updated