do one's duty

Meet one's responsibilities

Do one's duty means to fulfill one's obligations or responsibilities, especially moral or professional ones.

The phrase often implies acting from principle rather than desire—doing what's required even when difficult or unpleasant: He did his duty and reported the violation.

It can sound formal or old-fashioned, evoking military service or civic obligation.

virtue

honor

High regard, moral dignity

integrityMoral soundness and consistency
loyaltyFaithful commitment to another
dedicationWholehearted loyalty to purpose

devotion · faithfulness · conscientiousness · reliability · trustworthiness · steadfastness · allegiance · fidelity · rectitude · uprightness

obligation

responsibility

State of being answerable

accountabilityObligation for one's actions
commitmentFirm pledge to act
requirementMandatory condition to fulfill

expectation · necessity · compulsion · imperative · mandate · oath · pledge · promise · sworn · conscience

fulfillment

discharge

Release of substance outward

executionCompleting a planned task
performanceCarrying out a task
completionAct of finishing

accomplishment · adherence · follow-through · carrying out · upholding · honoring · meeting · satisfying · delivering · stepping up

Opposites

responsibility fulfillment

do one's dutyshirk

Evade one's obligations

dereliction of duty · drop the ball · let someone down · renege · welsh

moral compliance vs. defiance

do one's dutydesert

To leave behind completely

defect · renege · turn traitor · break one's word

effort and engagement

do one's dutyshirk

Evade one's obligations

malinger · goof off · loaf · phone it in · skive

Family

does, done, doing, doer, doers, undone, undoing, one, ones

Familiarity: Top 200,000
Profile: Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G