The Collaborative International Dictionary
Noncontributing
Noncontributing \Non`con*trib"u*ting\, Noncontributory \Non`con*trib"u*to*ry\, a. Not contributing.
Wiktionary
noncontributing
a. Not contributing; that does not contribute or does not involve contribution
Usage examples of "noncontributing".
He bit off his sentence, remembering that Bernard liked to be a noncontributing party to his prisoner's conversations.
No tribe wanted to have a noncontributing member, or one who was not implicitly tied to the tribe, so this was a reasonable limit.