courtesy UK /ˈkɜːtəsi/US /ˈkɝɾəsi/noun 6adjective 2forms 1 noun6 •behavior that is friendly and careful of the feelings of other peoplePlease extend them the courtesy of your presence.He was always known for his grace, kindness, and courtesy to people of every rank. •A polite gesture or remark, especially as opposed to an obligation or standard practice.I offered them a ride simply as a courtesy. •Willingness or generosity in providing something needed.They received free advertising through the courtesy of the local newspaper.[on a label, caption, etc.] Courtesy the Smith Foundation: [e.g.] use of this image was allowed through the courtesy of the Smith Foundation. •Consent or agreement in spite of fact; indulgence.They call this pond a lake by courtesy only. •(old-fashioned) A curtsey.The lady drops a courtesy in token of obedience, and the ceremony proceeds as usual. — 1760 •The life interest that the surviving husband has in the real or heritable estate of his wife. adjective2 •Given or done as a polite gesture.We paid a courtesy visit to the new neighbors. •Supplied free of charge.The event planners offered courtesy tickets for the reporters. formscourtesies