せい 精 Common word Show 5 collocations 精が出る - to work hard精が尽きる - to be exhausted精を出す - to work hard精を漏らす - to have an involuntary emission of semen木の精 - dryad LinksSentence search for 精Sentence search for せいKanji details for 精Edit in JMdict Noun1. spirit; sprite; nymph2. energy; vigor (vigour); strength3. fine details4. semenSee also 精液 Discussions Log in to talk about this word.