mark off
B1 neutral separable transitive
In simple words
Put a mark next to something on a list to show it is done; use lines to separate an area.
Literal meaning: To make a mark that sets something apart — the meaning is quite transparent.
Meanings
1 B1 neutral
To check off items on a list or record as they are completed or accounted for.
"As each guest arrived, the host marked their name off the list."
Grammar: separable
2 B1 neutral
To separate or define an area by placing markers, lines, or boundaries.
"Workers marked off the construction zone with orange cones and tape."
Grammar: separable
Usage notes
Common in both everyday and official contexts. The 'boundary' sense is common in surveying, sports, and construction. The 'check off' sense is universally understood.
Commonly used with
list items names area boundary section
Forms
Base
mark off
I/you/we/they
3rd person
marks off
he/she/it
Past simple
marked off
yesterday
Past participle
marked off
have + pp
-ing form
marking off
continuous
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Synonyms
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