0 something which is useless, does not work etc -- สิ่งที่ใช้ไม่ได้
This lightbulb is a dud.
1 useless or not working -- ที่ใช้ไม่ได้
a dud battery.
He had gone in with 200 dud, used needles and was given 200 new ones.
Of course, we have some duds in the train of investment grants.
Without question, the measure is necessary for the very good reason that the present system for calculating increases is a dud.
That very often consisted of passing dud cheques, though sometimes it was other things.
Is it a case of palming of "dud" machines on to these nations?
Duds who go to public schools, when they leave their public schools, are insulated from the cold winds that blow in industry and elsewhere.
They voted for nationalisation on a dud prospectus, and having voted for it, they now have to suffer.
Even the major security companies are robbed, and one may get a dud outfit among the smaller firms.
