Half-cooked; soft-boiled — not fully cooked, with the center still soft (commonly used for eggs and cooking doneness).
ラーメンに半熟卵を乗せるのが好きだ。
I like putting a soft-boiled egg on my ramen.
卵を半熟に茹でるには六分ほどが目安だ。
To soft-boil an egg, about six minutes is a guideline.
このステーキは半熟で頼んだ。
I ordered this steak medium-rare (half-cooked).
Half-ripe; not fully mature — describes fruit or produce that is only partially ripened.
まだ半熟のバナナは少し酸っぱさが残る。
A half-ripe banana still has a bit of tartness.
果物は半熟のうちに収穫すると保存が利く場合もある。
Harvesting fruit while it's half-ripe can sometimes make it easier to store.