球|きゅうkyuu[1]atamadaka (head-high)

JLPT N3approx.Common
Definitions
  1. nounsphere; globe; ball; bulb
  2. noun, mathball; sphere
  3. counter, baseballcounter for pitches
Synonyms & antonyms
  • Synonym玉たまNeutralNative word for a ball or bead; also used for drops of water and bullets, with a very wide range of uses. 「球」 tends to appear in math and sports terminology.
  • Synonym球体きゅうたいWrittenRefers to a solid shaped like a sphere and suits scientific explanation; written in flavor. 「球」 on its own can also act as a counter for pitches.
  • SynonymボールNeutralLoanword for balls used in sports; in baseball it also means a pitch outside the strike zone. The everyday choice when talking about sports equipment.
  • Synonym鞠まりWrittenBalls for traditional games such as temari handballs and kemari, with an old-fashioned air. For sports balls, say 「ボール」.
  • Related球形きゅうけいNeutralPoints to the spherical shape itself, focusing on form, as in 「球形のランプ」. 「球」 refers to the sphere (the object) rather than its shape.
  • Related球状体きゅうじょうたいWrittenAcademic term for a spheroid or ball-shaped object; rarely used. Say 「球体」 in most cases.

Use 「球」 for the geometric sphere and as the counter for baseball pitches. For sports balls in everyday talk, 「ボール」 is the usual word; 「玉」 covers beads and drops, and 「鞠」 balls in traditional games. 「球体」 and 「球状体」 are written terms for spherical solids.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. (キュウ)立体りったい図形ずけいで、その表面ひょうめんが、ある1点てんから等距離とうきょりにあるもの。
  2. (キュウ 図形ずけい)空間くうかん上じょうのある1点てんから等距離とうきょりにあるすべての点てんの集合しゅうごうである球面きゅうめんとその内部ないぶにある点てんからなる集合しゅうごう。一般いっぱんには3次元じげん空間くうかんにあるものを指さす場合ばあいが多おおい。
  3. (キュウ)球技きゅうぎ、とくに野球やきゅうに関かんする造語ぞうご成分せいぶん。
  4. (キュウ:助数詞じょすうし)野球やきゅうにおける投球とうきゅうの数かず。
  5. (キュウ:助数詞じょすうし)電子でんし回路かいろで使用しようされている真空管しんくうかんの数かず。
Kanji in this word
English equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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