노력이나 능력으로 도달하거나 성취할 수 없는.
Impossible to achieve, reach, or obtain, often due to being unrealistic or beyond one's current capacity.
예문:
"For many young people, owning a home in the city center has become an unattainable dream."
"The manager set unattainable targets that only served to demotivate the entire sales team."
"Perfection is an unattainable standard, so we should focus on continuous improvement instead."