The solutions to twelve clues, all of which lack definition, have to be adapted as the title indicates before the resulting word is entered in the grid. These resulting words are of a kind. Chambers does not give 4D.
 

Across

1    Grotesque body-snatcher – deaths dismissed (6)
4    Incompetent crossing street (8)
9    Friars make tiny tins (10)
11    Stately home on outskirts of Osaka (6)
12    Green copper transmuted as a matter of import (7)
14    Staff on board railroad (6)
15    Take rest, turning covers back (5)
16    Charwoman talked about a flower (6)
21    Declare girl’s weight (8)
22...