very near in space or time
He walked into the room, closely followed by his dog.
彼は部屋に入り、その後を犬がすぐ後ろについてきた。
having a close family connection
The two species are closely related and share many traits.
この2つの種は近縁関係にあり、多くの特徴を共有している。
having a strong link or connection
The two events are closely connected and influence each other.
この2つの出来事は密接に関連しており、互いに影響し合っている。
very involved with someone or something
The team worked closely with experts to develop the new technology.
チームは専門家と緊密に連携して新しい技術を開発した。
with great care and attention
Doctors are closely monitoring the patient's condition.
医師たちは患者の状態を注意深く監視している。
very similar to someone or something
The two teams are closely matched in skill and experience.
この2つのチームは技術と経験において互角である。
won or likely to be won by a very small amount
It was a closely contested race with a very close finish.
接戦のレースで、ゴール直前まで勝負がわからないほどだった。
with very little space between
The text was closely printed with no gaps between lines.
テキストは行間の隙間なく密に印刷されていた。
cut very short, near to the skin
He had a closely shaved head that felt smooth to touch.
彼は肌ぎりぎりまで剃った頭で、触ると滑らかだった。