week-long 
adjective
Lasting for a week: a week-long visit to New Zealand...
- Flying off to China this morning for a week-long visit to boost trade links, McConnell has other matters on his mind.
- Lancaster University is offering a week-long course in visiting and investigating haunted houses.
- He is due to attend a series of events during his week-long visit.
- don't hold your breath
- don't I know it!
- don't-know
- don't knowist
- don't look a gift horse in the mouth
- don't mention it
- don't (or I wouldn't) bet on it
- don't put all your eggs in one basket
- don't spoil the ship for a ha'p'orth of tar
- don't start (or don't you start)
- don't talk to me about ——
- don't you believe it!
- don't you know
- don't —— me
- donut
- doo
- doobie
- doobrey
- doobrie
- doobry
- doodad
- doodah
- doodle
- doodlebug
- doodler