極きわめる

1. 1to carry to extremes ; to go to the end of something ; to reach the limits of something
2. 2to reach the peak of something (e.g. luxury, hardships, etc) ; to be extremely (e.g. busy)
3. 3to exhaust completely ; to have nothing left (e.g. to say)

Other writings and readings

JMdict entry 1591970 · frequency rank 30. Source and licence.