役割・役割り|やくわりyakuwari[0]heiban (flat)

1. nounpart; assigning (allotment of) parts; role; duties
   彼かれは自分じぶんの役割やくわりを十二分じゅうにぶんに生いかしていますよ。↗

   He's living his role to the hilt.

• Synonym役目やくめNeutralThe duty one bears; more colloquial than 「役割」, as in 「案内の役目」. Often carries the nuance of an obligation one is expected to fulfill.
• Synonym役やくNeutralA role or post one takes on, as in 「主役」 and 「役に立つ」. Broad in range, and mostly seen in compounds.
• Synonym役回りやくまわりNeutralThe role one is assigned; often carries a nuance of being hard done by or unwilling, as in 「損な役回り」.
• Synonym役柄やくがらNeutralThe type of role an actor plays, or the nature of a job, as in 「悪役の役柄」; emphasizes the traits of the role.
• Synonym勤めつとめNeutralWhat one ought to do as a duty, or holding a job at a company, as in 「親の務め」; the focus is on the things one must do.
• Synonym役儀やくぎWrittenA dated, written word for a duty one is expected to perform; almost never used in modern Japanese.
• Related職務しょくむNeutralDuties attached to one's job, as in 「職務を怠る」. Limited to professional or official work, and fairly formal.
• Related機能きのうNeutralA thing's function or working, as in 「心臓の機能」 and 「組織の機能」; where 「役割」 stresses an assigned role, this is about what something does.
• Related貢献こうけんNeutralA contribution made toward some development or cause, as in 「社会に貢献する」; the focus is on the results of your effort, not on an assigned role.
• Related任務にんむNeutralA concrete task or mission handed to you, as in 「任務を果たす」. Rather formal, and typical of military, police, and official contexts.
• Related働きはたらきNeutralThe effect or function of something, or how well someone works, as in 「薬の働き」 and 「いい働きをする」; centers on the effect produced.
• Related分担ぶんたんNeutralDividing work among people and taking a share, as in 「家事を分担する」; the focus is on the act of splitting it up, not the role itself.
• Related責務せきむWrittenA written, formal word for a duty one is responsible for completing, as in 「責務を果たす」; the tone is solemn.
• Related任にんWrittenA written word for the post or charge one bears, as in 「その任にあらず」; mostly confined to set phrases.
• Related職能しょくのうWrittenAbility tied to one's job, or a function within an organization, as in 「職能給」; belongs to personnel and organizational language.
• Related寄与きよWrittenA contribution to the development of something, as in 「発展に寄与する」; written in flavor, and stresses the effect one has.

Default to 「役割」 for an assigned role or the part something plays. In everyday speech use 「役目」 for a duty, 「機能」 for a thing's function, 「職務」 for professional duties, 「任務」 for a concrete mission, and 「貢献」 for contributing to something. 「役」 is broad, often in compounds, 「役回り」 an assigned part, often unwelcome, 「働き」 an effect produced, 「分担」 splitting work up; 「責務」「任」「寄与」 are written/formal.

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

1. 割り当わりあてられた役目やくめ。
2. 役やくを割り当わりあてること。