Pronunciation: /mɑːrk ɒf/
noun a physical or visual indication of a boundary or limit
A1 I used a ruler to mark off the measurements on the paper.
A2 She used a pen to mark off the items on her to-do list.
B1 The construction workers used caution tape to mark off the dangerous area.
B2 The teacher used a highlighter to mark off the important sections in the textbook.
C1 The surveyor used stakes to mark off the boundaries of the property.
C2 The archaeologist used GPS coordinates to mark off the excavation site.
verb to indicate or designate a boundary or limit
A1 I will mark off the items on the list as we buy them.
A2 She used a ruler to mark off the sections of the page.
B1 Please mark off your availability on the calendar for next week.
B2 The construction workers will mark off the area for digging before starting the project.
C1 The teacher will mark off points for incorrect answers on the exam.
C2 It is important to mark off boundaries clearly when conducting a scientific experiment.
adverb used to modify or describe how the action of marking off is done
A1 I will mark off the days on the calendar until my birthday.
A2 She used a ruler to mark off equal sections on the paper.
B1 The teacher asked the students to mark off the correct answers on their worksheets.
B2 The construction workers will mark off the area where the new building will be erected.
C1 The surveyors carefully marked off the boundaries of the property.
C2 The police officer had to mark off the crime scene to preserve evidence.
formal The surveyor used a measuring tape to mark off the boundaries of the property.
informal I'll use some tape to mark off where we can park our cars.
slang Let's use some chalk to mark off our spot at the concert.
figurative She decided to mark off certain tasks on her to-do list before starting a new project.
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