究極

究极
jiūjí

extremely; to the utmost

Wiktionary

Entry Composition

1 究 jiū
  1. after all
  2. to investigate
  3. to study carefully
  4. Taiwan pr. jiù
=2 極 jí
  1. extremely
  2. pole (geography, physics)
  3. utmost
  4. top
=2 極 qì
  1. (obsolete on its own in Standard Chinese) alternative form of 亟 (“repeatedly”)
  2. alternative form of 亟 (“repeatedly”)