Translation guide
A state of partial penile erection, often described in sexual or medical contexts. In Japanese, this is typically expressed with compound words combining 半 (half) and 勃起 (erection), or with descriptive phrases.
Describing a penis that is not fully erect, in sexual or informal contexts.
Common colloquial term combining 半 (half) and 勃ち (erection, from 勃つ). Used in casual conversation and erotic contexts.
彼は半勃ちのままだった。
He stayed semi-erect.
More formal or technical term, using 勃起 (erection). Suitable for medical or written descriptions.
半勃起状態が続いた。
A semi-erect state persisted.
Descriptive phrase meaning 'not fully erect'. Natural in spoken explanations.
まだ完全には勃っていないよ。
It's not fully hard yet.
Literally 'half-hearted erection', emphasizing incompleteness. Somewhat literary or emphatic.
中途半端な勃起では満足できない。
I can't be satisfied with a half-hearted erection.
Direct translations like '半分の勃起' are unnatural. Use established compounds or descriptive phrases instead.