exceptionally good, beyond belief

अत्यधिक अच्छा

English Usage: Her performance was impossibly good.

Hindi Usage: उसकी प्रदर्शन अत्यधिक अच्छा था।

excessively high or extreme

extremely difficult to understand or manage

अत्यधिक ऊँचा

English Usage: The prices of the luxury goods are impossibly high.

Hindi Usage: लक्ज़री वस्तुओं के दाम अत्यधिक ऊँचे हैं।