What Does “Mark sth off” Mean?
“Mark sth off” means to draw a line or check to show something is completed or identified. It is often used when ticking items on a list or marking areas on a map.
Introduction
The phrasal verb “mark sth off” is commonly used in everyday English to indicate that something has been noted, completed, or separated. The “sth” stands for “something,” so the phrase means marking or indicating a particular thing by drawing a line, a check, or some kind of sign. For example, you might mark off tasks on a to-do list as you finish them, or mark off sections on a map to show boundaries. Understanding the “mark sth off meaning” helps learners use it correctly in both spoken and written English. This phrase is practical and often appears in work, school, and casual contexts.
Quick Info Box
- Phrasal verb: Mark sth off (mark something off)
- Type: Transitive
- Level: B1 (Intermediate)
- Short meaning: To indicate something by drawing a line or check, often showing completion or separation.
Structure (Grammar Rules)
“Mark sth off” is a separable phrasal verb. This means you can place the object (“something”) between “mark” and “off” or after the whole phrasal verb.
- Mark something off (correct) – e.g., “I marked the tasks off.”
- Mark off something (correct) – e.g., “I marked off the completed tasks.”
- Do not split “mark off” without an object – e.g., “Mark off” by itself is incomplete.
How to Use “Mark sth off”?
You use “mark sth off” when you want to show that a task, item, or area has been identified, completed, or separated. It is often used with lists, maps, forms, or projects.
For example:
- Mark off items on a checklist as you complete them.
- Mark off a section in your notebook for important notes.
- Mark off areas on a map to show your travel route.
Examples
Here are some natural sentences using “mark sth off” to help you understand how it works:
- After finishing each exercise, she marked it off her homework list.
- The teacher asked the students to mark off the correct answers on their papers.
- We marked off the areas where construction is not allowed on the site map.
- Mark sth off in a sentence: “Please mark off the items you have already packed.”
Common Mistakes
Many learners confuse the word order or omit the object when using this phrasal verb. Here are some common errors:
- Incorrect: “Mark off completed the tasks.”
- Correct: “Mark off the completed tasks.”
- Incorrect: “Mark the off tasks.”
- Correct: “Mark the tasks off.”
Remember, you must include the object (“something”) and place it either between “mark” and “off” or after “mark off.”
Differences / Synonyms
“Mark sth off” is similar to “tick off,” “cross off,” or “check off.” However, each has slight differences:
- Tick off: Usually means putting a checkmark next to completed items.
- Cross off: Means drawing a line through something to remove it from a list.
- Check off: Similar to “tick off,” marking items as done.
- Mark off: Can mean drawing a boundary or line, not just ticking or crossing.
For example, “mark off” is often used for areas on maps or forms, while “tick off” is more common for checklists.
Common Collocations
Here are some common objects used with “mark off” and their meanings:
- Mark off tasks: Show tasks are completed.
- Mark off areas: Draw boundaries or separate spaces.
- Mark off items: Identify or confirm items on a list.
- Mark off sections: Separate parts of a document or map.
Related Phrasal Verbs
Here are related phrasal verbs of mark sth off:
Real-life Dialogue
Here is a short conversation showing “mark sth off” in use:
Anna: Have you finished the project checklist?
Ben: Almost. I’m marking off the completed tasks now.
Anna: Great! Don’t forget to mark off the final review section.
Practice
Try to fill in the blanks with the correct form of “mark sth off”:
- I have ___________ all the books I borrowed from the library.
- She ___________ the completed exercises on her worksheet.
- We need to ___________ the restricted areas on the map.
FAQs
- Q: Can “mark sth off” be used without an object?
A: No, it requires an object to be complete. - Q: Is “mark sth off” formal or informal?
A: It is neutral and can be used in both formal and informal contexts. - Q: Can “mark sth off” mean to remove something?
A: It usually means to indicate or separate, not remove. “Cross off” is better for removal. - Q: Is “mark sth off” separable?
A: Yes, you can place the object between “mark” and “off” or after “mark off.” - Q: What is the difference between “mark sth off” and “tick sth off”?
A: “Mark sth off” can mean drawing lines or boundaries, while “tick sth off” means putting a checkmark.

