究 means 'investigate'

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Strokes : 7    Frequency: 573   JLPT: N4    Usefulness: 2    Challenge set: 7    Grade: 3   Intermediate lesson: 14    Beginner lesson: -   Begins 9 words   Used in 130 words   Used in 441 names   Not used as a component
Jōyō (常用)
   きわめる to investigate thoroughly
Name    きゅ
⿱   hole   nine  
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In the most useful 10,000 words in Japanese, 究 is used 8 times, read 2 ways.
Across all words in Japanese, 究 is used 129 times, read 3 ways.
キュウ : 126 words FIND ALL
study; research; investigation
ク : 1 word FIND ALL
culmination; conclusion  (Buddhist term)
きわめる : 2 words FIND ALL
ichidan verb, transitive verb
1. to carry to extremes; to go to the end of something  (esp. 極める, 窮める)
2. to investigate thoroughly; to master  (esp. 究める)
(click the word to view an additional 3 forms)
Henshall: 271 (originally: 253)  Joy o' Kanji : 253  Key to Kanji: 193 

Cascading kanji view

キュウ   きわめる to investigate thoroughly   
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ク   キュウ   ここの nine   
ケツ   あな hole   
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ハチ   katakana 'ha'; eight   や    よう eight   
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Search results include information from a variety of sources, including Kanshudo (kanji mnemonics, kanji readings, kanji components, vocab and name frequency data, grammar points), JMdict (vocabulary), Tatoeba (examples), Enamdict (names), KanjiVG (kanji animations and stroke order), and Joy o' Kanji (kanji and radical synopses). Translations provided by Google's Neural Machine Translation engine. For more information see credits.
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