1
general::
Phrase(s): mark someone down
[for a teacher] to give someone a low score. • He’ll mark you down for misspelled words. • I marked down Tom for bad spelling., Phrase(s): mark something down
1. Lit. to write something down on paper. • She marked the number down on the paper. • She marked down the number. 2. Fig. to reduce the price of something. • We are going to mark all this merchandise down next Monday. • We marked down the merchandise.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Reduce the price of something, as in If they mark down these shoes, I'll buy two pairs. The mark here alludes to the label indicating a price. [Mid-1800s]
American Heritage Idioms