1. a person who writes graffiti, especially their signature or tag, on walls or other surfaces
Usage: informal
2. a person who attaches tags or labels to items
3. in children’s games, the person who chases and tries to touch other players

Examples

• The tagger left his mark on the subway wall.
• Police arrested the tagger who had been vandalizing downtown buildings.
• The warehouse tagger labeled each box with a barcode.
• In the game of tag, Sarah was the tagger and chased the other children.
• The part-of-speech tagger automatically identified nouns and verbs in the text.
• Store employees used a price tagger to mark merchandise.
• The graffiti tagger used bright colors for his street art.