(n.) Action in opposition; hindrance resistance.

amends atonement balancing bucking challenge combative reaction commutation compensation complaint contention contradiction contraposition contravention contraversion counterbalancing counterworking crosscurrent crossing defiance demur denial dispute dissent dissentience expiation fractiousness head wind impugnation impugnment indemnification indemnity lex talionis negation negativism noncooperation objection obstinacy offsetting opposing opposition opposure oppugnation passive resistance protest reaction rebuff rebutment rebuttal recalcitrance recalcitrancy recalcitration recompense rectification redress refractoriness refusal rejection reluctance remonstrance renitence renitency reparation repayment repellence repellency repulse repulsion resistance restitution retaliation revenge revolt satisfaction stand standing against substitution traversal uncooperativeness undercurrent withstanding