精せい通つう

せ

い

つ

う

Common wordJLPTN1Freq.FrequencyTop 20,000

精通する · noun or participle which takes 'suru'

Form	Positive	Negative
Dictionary	精せい通つうする	精せい通つうしない
Polite	精せい通つうします	精せい通つうしません
Past polite	精せい通つうしました	精せい通つうしませんでした
Past	精せい通つうした	精せい通つうしなかった
Te-form	精せい通つうして	精せい通つうしないで
Desire	精せい通つうしたい	精せい通つうしたくない
Potential	精せい通つうできる	精せい通つうできない
Passive	精せい通つうされる	精せい通つうされない
Causative	精せい通つうさせる	精せい通つうさせない
Causative passive	精せい通つうさせられる	精せい通つうさせられない
Volitional	精せい通つうしよう
Polite volitional	精せい通つうしましょう
Imperative	精せい通つうしろ	精せい通つうするな
Conditional	精せい通つうすれば	精せい通つうしなければ
Tara conditional	精せい通つうしたら	精せい通つうしなかったら

Meanings

noun, noun or participle which takes 'suru', intransitive verb

well-versed; thoroughly knowledgeable; expert

Describes deep familiarity or expertise in a subject. Often used as 精通している or 精通する.

彼かれは日本にほんの歴れき史しに精せい通つうしている。
He is well-versed in Japanese history.
この分ぶん野やに精せい通つうした専せん門もん家かを探さがしている。
We are looking for an expert who is thoroughly knowledgeable in this field.

noun, noun or participle which takes 'suru', intransitive verb

first ejaculation; spermarche; semenarche

Medical/biological term for a boy's first ejaculation. Not used in casual conversation; typically encountered in health or educational contexts.

精せい通つうは男だん子しの第だい二に次じ性せい徴ちょうの一ひとつである。
Spermarche is one of the secondary sexual characteristics in boys.

See all 33 example sentences ›

Usage patterns

〈事こと〉に精せい通つうするto be well-versed in / thoroughly knowledgeable about something
彼かれはこの分ぶん野やの歴れき史しに精せい通つうしている。
He is thoroughly knowledgeable about the history of this field.
精せい通つうを迎むかえるto reach spermarche (a boy's first ejaculation)
多おおくの男だん子しは中ちゅう学がく生せいの頃ころに精せい通つうを迎むかえる。
Many boys reach spermarche around junior high school age.
〈事こと〉に精せい通つうした〈人ひと〉a person well-versed in something
彼かれは法ほう律りつに精せい通つうした弁べん護ご士しだ。
He is a lawyer well-versed in the law.

Kanji

精refined, ghost, fairy
通traffic, pass through, avenue

Related words· 7

詳くわしいN4sense 1
詳しい is the common, everyday word for being knowledgeable or detailed about something, while 精通 conveys a deeper, more professional-level mastery.
通つうじるN3sense 1
通じる simply means to be informed or familiar with something, whereas 精通 implies a higher, more thorough degree of expertise.
熟じゅく知ち sense 1
熟知 stresses having fully absorbed detailed knowledge of a specific fact or matter, while 精通 emphasizes broad, expert-level mastery of a field.
貫かん通つう
精通 is the standard modern word for being thoroughly versed in a subject, while 貫通 in this sense is an archaic, literary equivalent rarely used today.

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通つう達たつN1
精通 is the common word for being thoroughly familiar with a subject, while 通達 in this sense is a rarer, more literary way to express the same idea.
通つうずるN2
精通する is a stronger, more formal way to say someone is deeply knowledgeable, whereas 通ずる (be well versed in) can describe a milder familiarity.
長たける
精通する emphasizes deep knowledge or familiarity with a subject, whereas 長ける stresses practical skill or talent in it.

Opposites

無む知ちN1sense 1
無知 means ignorant or lacking knowledge, the direct opposite of being 精通 (well-versed) in a subject.

Don't confuse with

精しょう進じん sense 1
精進 (dedicated effort/religious devotion) shares the kanji 精 with 精通 but means striving hard at something, not being knowledgeable about it.

Word family

精せい通つう者しゃ
expert; authority; well-versed person

Etymology

Composed of 精 (refinement, essence) and 通 (pass through, communicate). The combination suggests thorough understanding or mastery. The medical sense is a specialized extension of the idea of 'essence passing through'.