adverb
without ill feeling; openly; without reserve
Describes an attitude or atmosphere free of lingering resentment, suspicion, or awkwardness; often used when people interact frankly after a potential conflict.
彼とはわだかまりなく話せた。
I was able to talk with him without any hard feelings.
わだかまりなく意見を交換しましょう。
Let's exchange opinions openly and without reserve.