人知れず|ひとしれずhitoshirezu[0]heiban (flat)

1. expression, adverbsecretly; in secret; unseen; unobserved; inwardly; in private

• SynonymこっそりNeutralCommon in speech; stresses deliberately hiding your actions from others, unlike 「人知れず」, which stresses simply going unnoticed.
• SynonymそっとNeutralMeans softly or gently; stresses moving quietly so as not to startle anyone, and can also mean leaving someone or something alone.
• SynonymひっそりNeutralDescribes quiet, deserted surroundings or an inconspicuous, low-key existence rather than secret actions.
• Related内々うちうちNeutralPrivate and internal; stresses that something is done only among one's own people and not disclosed outside.
• Related暗々のうちにあんあんのうちにWrittenRare, written-style phrase for doing something covertly and quietly, out of public view.
• Related密々みつみつWrittenWritten and rare; means secretly or privately, as in 「密々に会う」. 「人知れず」 stresses going unnoticed.
• Related心密かにこころひそかにWrittenFor feelings or thoughts kept hidden in one's heart, unspoken; more psychological than 「人知れず」.
• Related陰ながらかげながらWrittenMeans supporting or cheering from behind the scenes, as in 「陰ながら応援」; typically used for well-wishing others.
• Antonym人目につくひとめにつくNeutralTo be conspicuous or attract attention; the opposite of going unnoticed.
• Antonym公然とWrittenOpenly and without concealment; the direct opposite of 「人知れず」.

Use 「人知れず」 for doing something alone without anyone knowing, often with a literary feel, as in 「人知れず涙を流す」. For deliberately sneaking, use 「こっそり」; for acting softly and quietly, use 「そっと」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 誰だれにも気きづかれないように、ひっそりと。