Describes something that is not reasonable, not feasible, or cannot be done. Covers both logical impossibility and practical infeasibility.
I think this plan is impossible.
I can't comply with such an unreasonable demand.
Often used adverbially as 無理に to mean doing something forcibly or against someone's will.
It's not good to force someone to eat.
He forced a smile.
excessive; overdoing
Refers to pushing oneself too hard, overworking, or doing something beyond one's limits. The verb form 無理する is common.
Excessive dieting is bad for your health.
Please don't overdo it.
no way!; impossible!
Colloquial interjection expressing strong disbelief or refusal.
"Can you finish by tomorrow?" "No way!"
noun which may take the genitive case particle 'no'
Mathematical term for irrational numbers.
√2 is an irrational number.
It's impossible to finish this work by the end of today.
He forced a smile.
If you overwork yourself, you'll ruin your health.
The boss is careful not to make his subordinates overwork themselves.
困難 describes something difficult but still achievable with effort, whereas 無理 suggests it is beyond possibility or reasonable limits.
強引 describes a person's forceful, pushy manner of acting, while 無理 describes an action or demand itself as forced or unreasonable.
irrational expression
irrational number
unreasonable idea; illogical plan · illogical move (in shogi or go)
lack of understanding; lack of sympathy
I can't take it anymore; I've had it
forcibly; by force; against one's will
reasonably; comfortably; without straining oneself
impossibly hard video game
forced compliance; coercion; compulsion
pushing through; bulldozing; forcing