せい
Meanings
Noun
1. spirit; sprite; nymph
She looked like a cherry blossom fairy.
2. energy; vigor (vigour); strength
That looks like it'll give me some energy.
3. fine details
4. semen
Apparently men suddenly get sleepy after they ejaculate.
Pitch accent
せ
い
Used in vocabulary (92 in total)
the best one can do; one's best effort; with all one's might; to the best of one's ability; as hard as possible
ejaculation
spirit; soul; ghost
Examples (6 in total)
That looks like it'll give me some energy.
She looked like a cherry blossom fairy.
Ah, was that the genie of the lamp?