This is the 7188th most frequent Japanese word.
一糸
"一糸" means "a single thread."
In this sentence, '一糸' is used in the phrase '一糸乱れぬ', which means 'not a single thread out of place', symbolizing flawless or disciplined coordination.
彼は一糸乱れぬチームワークを誇りにしている。
He prides himself on the flawless teamwork.
Here, '一糸' is part of '一糸纏わぬ', literally meaning 'not a single thread worn', signifying being unclothed or naked.
一糸纏わぬ姿で川に飛び込んだ。
He jumped into the river without any clothes.
Here, '一糸' expresses utmost precision, as part of '一糸の乱れもない', which emphasizes perfection or a lack of disruption.