A ditto looks like a quotation mark — " — and it's used as you go down a list to indicate you're repeating whatever is above.

If your jellies and jams all cost $2.00, you can write $2.00 just once with the first item on your price list and " in the price column next to each item listed below. You can also use the word ditto informally to describe repetition: "I can't believe you wore those shoes. Ditto that hat." You may recognize Ditto as the aptly named son of the comic strip characters Hi and Lois; he’s the twin brother of Dot.

Definitions of ditto

n a mark used to indicate the word above it should be repeated

ditto mark
Type of:
a written or printed symbol (as for punctuation)

v repeat an action or statement

“The next speaker dittoed her argument”
Type of:
ingeminate, iterate, reiterate, repeat, restate, retell
to say, state, or perform again

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