incredible | you can't belive, suprsinig |
illegible | can't read |
incomprehensible | you can't understand |
insoluble | you can't solve |
insatiable | you are not satify with |
unpardonable | you can't forgive |
inevitable | can't avoid / nieuchronny |
unpredictable | nieprzewidywalny |
indispensable | niezbędny , you can't do without |