Definition

1. Noun:
   • A writing implement for making a mark: A tool, such as a pen with a broad felt tip, used to write or draw visible lines.
   • A distinguishing symbol: A sign, label, or feature that serves to identify something or indicate a specific characteristic.
   • A conspicuous object used as a point of reference: A physical object placed to show a location, boundary, or route.

Examples of Usage

• Noun:
  • She used a red marker to highlight the important text. (Referring to a writing implement.)
  • The genetic marker helped scientists identify the trait. (Referring to a distinguishing symbol.)
  • The stone cairn served as a marker for the trailhead. (Referring to a reference object.)

Advanced Usage

• "To be a marker of/for something": To serve as a sign or indicator of a particular condition, era, or quality.
  • His resignation was a marker of the company's deep troubles.
• "To put down/set a marker": To establish a standard, position, or statement of intent.
  • With that innovative design, the company set a marker for its competitors.

Variants and Related Words

• Mark (verb/noun): To make a visible impression or sign; the sign itself.
• Landmark (noun): A prominent or well-known object that serves as a guide or marks a location.
• Benchmark (noun): A standard or point of reference against which things may be compared.
• Marker pen (noun phrase): A pen with a broad tip, typically felt, used for writing or drawing.

Synonyms

• Indicator: Something that shows the state or level of something.
• Sign: An object, quality, or event whose presence indicates the probable presence or occurrence of something else.
• Beacon: A fire or light set up in a high or prominent position as a warning, signal, or celebration.

Related Phrases (Phrasal Verbs)

(Note: "Marker" is primarily a noun and does not commonly form phrasal verbs. The related action is typically with the verb "mark.")

Related Idioms

• "Move the goalposts/markers": To change the rules or targets in a situation unfairly.
  • Every time we meet the sales target, management moves the markers.

Noun

1. a writing implement for making a mark
2. a distinguishing symbol
   • the owner's mark was on all the sheep
3. some conspicuous object used to distinguish or mark something
   • the buoys were markers for the channel