[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
[極「きわ」]まる => Extremely A, could not be more A N1
Adjectival, Descriptions
に[対「たい」]して/に[対「たい」]しては => In response to (topic) A, in regards to A, considering A, in contrast to A N3
Reason, Result, Response
に[対「たい」]して/に[対「たい」]しては => In response to (topic) A, in regards to A, considering A, in contrast to A N2
Reason, Result, Response