What does dup mean?
Dup means to open (a door, gate etc.).
Checking saved dictionary data and trusted language sources. This will stop automatically if a source does not respond.
/dʌp/ · verb
to open (a door, gate etc.).
Then up he rose and donned his clothes, / And dupped the chamber door;
He had seen, that Maundy Thursday afternoon, dupping their chamber door in all maaaaaaa innocence.
Use dup when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Dup means to open (a door, gate etc.).
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Then up he rose and donned his clothes, / And dupped the chamber door;
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.