Infeasible Solutions

adjective used to describe something that cannot be done or achieved

• It is deemed impossible to achieve a perfect score without sufficient preparation.
• It's impossible to finish this game without cheating.
• No way in hell can you pass that test without studying, it's impossible.
• Breaking through the barriers of self-doubt may seem impossible, but with perseverance, it can be conquered.

noun a person or thing that is impracticable

adjective not capable of being put into practice or carried out

• The proposed plan was deemed impracticable due to budget constraints.
• It's impracticable to expect everyone to attend the meeting on such short notice.
• Trying to finish this project by tomorrow is just plain impracticable.
• Her dreams of becoming a famous singer were considered impracticable by her parents.