"Less frustration" means experiencing fewer feelings of annoyance, anger, or disappointment.
Sentences with «less frustration»
The extra humidity helps babies to breathe easier, meaning they can sleep better and eat with less frustration helping them to be better equipped to fight off a cold. (blog.guguguru.com)
This will cause less frustration for both of you. (kidshealth.org)
Mothers who receive more help may experience less role strain, and may experience less frustration with their partners. (academic.oup.com)