Meaning & use
a tracker
Last updated
Meanings
nouncountable
A device or app that follows and records where a person or thing moves.
Grammar: Countable: 'a tracker', 'two trackers'.
Patterns
- a fitness tracker
- a GPS tracker
- use a tracker to do something
She wears a fitness tracker to count her daily steps.
The company put a GPS tracker in every delivery van.
nouncountablecomputing
Software that records which websites you visit or how you use an app.
Grammar: Often used in the plural: 'block trackers'.
Patterns
- block trackers
- online trackers
- a web tracker
This browser blocks trackers that follow you across websites.
Ad trackers collect data about what you click on.
nouncountable
A person who searches for wild animals by following their marks or footprints.
Grammar: Countable; often with 'skilled' or 'expert'.
Patterns
- a skilled tracker
- a tracker followed something
A skilled tracker found the missing hikers by reading footprints.
The tracker followed the deer through the forest for hours.
Word forms
| plural | trackers |
|---|
Common combinations
- a fitness tracker
- My fitness tracker says I walked 12,000 steps today.
- a GPS tracker
- Parents sometimes put a GPS tracker in a child's backpack.
- block trackers
- You can block trackers in your browser settings.
- an expert tracker
- The police brought in an expert tracker to search the woods.
- a tracker app
- He installed a tracker app to monitor his spending.
Synonyms and how they differ
Word family
Commonly confused: a tracker or tractor?
a tracker vs tractor
A tractor is a farm vehicle; a tracker is a device or person that follows movement. They sound similar but are unrelated.
Practice
Which sentence uses 'tracker' correctly?
Choose one answer.
A fitness tracker records activity like steps or heart rate, so checking it after running fits. Option 1 confuses it with 'tractor', option 3 with a 'contract' or document, and option 4 with food.
Make it your own
Write a sentence using “a tracker”, then check it and compare it with the examples above.