1He decided to quit his job and travel the world quixotically, without a clear plan or financial security.
2The artist's decision to create a sculpture out of recycled materials was seen as a quixotically noble gesture by some, but as a futile effort by others.
3The company's quixotically ambitious goal of becoming carbon neutral within a year was met with skepticism by industry experts.
4She approached her relationships quixotically, always believing in the best in people and situations, even when others were more cautious.
5The politician's quixotically idealistic speech about eradicating poverty and inequality resonated with many voters, but was criticized by others as unrealistic and lacking in concrete solutions.