The Collaborative International Dictionary
Detractive
Detractive \De*tract"ive\, a.
Tending to detractor draw. [R.]
Tending to lower in estimation; depreciative.
Wiktionary
detractive
a. 1 Tending to detract or draw. 2 Tending to lower in estimation; depreciative.
WordNet
detractive
adj. causing to decrease in importance or value; "detractive influences on the volume of investment"