pushback 
noun [mass noun] chiefly US
A negative or unfavourable reaction or response: we got some pushback on the new pricing...
- There's been some strong pushback from Republicans on this, however.
- I expect more pushback from other parts of the administration in the near future.
- In the course of that exchange I mentioned that while I understood the pushback against John and the announcement he made last week I didn't understand quite the ferocity of it.
- irreplaceable
- irreplaceably
- irrepressibility
- irrepressible
- irrepressibleness
- irrepressibly
- irreproachability
- irreproachable
- irreproachableness
- irreproachably
- irreproducible
- irresistibility
- irresistible
- irresistibleness
- irresistibly
- irresoluble
- irresolute
- irresolutely
- irresoluteness
- irresolution
- irresolvable
- irrespective
- irrespectively
- irresponsibility
- irresponsible