The Collaborative International Dictionary
Indistinctive
Indistinctive \In`dis*tinc"tive\ ([i^]n`d[i^]s*t[i^][ng]k"t[i^]v), a. Having nothing distinctive; common. -- In`dis*tinc"tive*ness, n.
Wiktionary
indistinctive
a. That has no distinguishing characteristics