Definition from Wiktionary, the free dictionary
- Able to be ignored or excluded from consideration; too small or unimportant to be of concern.
- We found errors, but their effects were negligible.
- 2011 April 11, Phil McNulty, “Liverpool 3 - 0 Man City”, BBC Sport:
- Mario Balotelli replaced Tevez but his contribution was so negligible that he suffered the indignity of being substituted himself as time ran out, a development that encapsulated a wretched 90 minutes for City and boss Roberto Mancini.
Related terms 
able to be ignored or excluded