1To be packed or filled up—used when something (objects, people, a schedule) leaves no empty space.
引っ越しの箱に本がぎっしり詰まっている。
The moving boxes are packed tight with books.
今週はスケジュールが詰まっていて、休む暇がない。
My schedule is packed this week, so I have no time to rest.
満員電車は人がぎゅうぎゅうに詰まっていた。
The crowded train was packed tightly with people.
スーツケースに服が詰まりすぎて閉まらない。
The suitcase is packed too full of clothes and won't close.
2To become blocked or clogged—said of a passage such as a pipe or the nose being obstructed.
排水溝が髪の毛で詰まってしまった。
The drain got clogged with hair.
風邪で鼻が詰まって、よく眠れなかった。
My nose was stuffed up from a cold, so I couldn't sleep well.
プリンターの紙が詰まって印刷できない。
The printer's paper is jammed, so it can't print.
3To shrink or become shorter, especially the length of clothing.
セーターを乾燥機にかけたら詰まってしまった。
I put the sweater in the dryer and it shrank.
ズボンの裾が詰まって少し短くなった気がする。
I feel like the hem of the pants has shrunk and gotten a bit shorter.
4To be at a loss, pressed, or stuck (for an answer, funds, time, etc.).
突然の質問に答えに詰まってしまった。
I was at a loss for an answer to the sudden question.
資金繰りに詰まって、銀行に相談することにした。
We were pressed for cash flow, so we decided to consult the bank.
時間に詰まっていたので、タクシーで急いだ。
Since I was pressed for time, I rushed by taxi.
5To come to a final conclusion or result; often used as 詰まるところ, meaning roughly 'in short' or 'ultimately'.
詰まるところ、彼は謝りたくないだけなのだ。
In short, he simply doesn't want to apologize.
議論は詰まるところ、予算の問題に行き着いた。
In the end, the discussion came down to the question of budget.
6(Linguistics) For a sound to become a geminate consonant (っ) within a word.
「がっこう」の「っ」は、もとの音が詰まって促音になったものだ。
The っ in がっこう (gakkou) came from an earlier sound that contracted into a geminate consonant.
7(Baseball) For a pitch to hit close to the handle of the bat, jamming the batter and resulting in weak contact.
内角の速球に詰まって、凡フライに終わった。
He got jammed by an inside fastball and ended up hitting a routine fly ball.