Marker definition

märkər
Frequency:
One that marks or serves as a mark, as:
  • A bookmark.
  • A tombstone.
  • A milestone.
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A biomarker.
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(slang) A written, signed promissory note.
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A genetic marker.
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One who grades student papers.
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A chemical or physical characteristic that indicates the presence of something, especially:
  • A genetic marker.
  • A biomarker.
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(linguistics) An element that indicates grammatical or semantic class or function, such as an inflectional affix.
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A device, such as a line, stake, or flag, set on a playing field and showing the playing or scoring position.
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A player who guards an opponent, as in soccer.
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An official in certain court games, such as squash, who mainly judges whether the ball is out of play and whether a fault or let has occurred.
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One that keeps score in various games.
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A score in a game.
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A person or thing that marks.
  • A person who keeps score in a game.
  • A device for keeping score.
  • A device for marking lines, as on a tennis court.
  • A bookmark.
  • A gravestone.
  • A milestone or similar sign.
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An object used to mark a location.
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A felt-tipped pen.
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(slang) A signed note of a debt to be paid.
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(slang, figuratively) A nonmonetary debt owed to someone, especially in return for a favor.

We may not be able to do this alone. Maybe it's time to call in some of our markers.

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(paintball) A device that fires a paintball.
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(sports) A defending player who stays close to an opponent in order to mark them.
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To mark or write on (something) using a marker.
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An implement, especially a felt-tipped pen, used for marking or writing.
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One who marks objects, especially for industrial purposes.
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Someone or something that marks.
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Other Word Forms

Noun

Singular:
marker
Plural:
markers