Synonym: assignment, charge, chore, function, job, obligation, responsibility, tariff, task, tax, toll, work. Similar words: on duty, Dutch, beauty, deputy. Meaning: ['djuːtɪ] 
n. 1. work that you are obliged to perform for moral or legal reasons 2. the social force that binds you to the courses of action demanded by that force 3. a government tax on imports or exports.
n. 1. work that you are obliged to perform for moral or legal reasons 2. the social force that binds you to the courses of action demanded by that force 3. a government tax on imports or exports. 
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121. This imposes a duty on courts to bind over parents when they have no control over their children.
122. He felt he would be failing in his duty if he did not report it.
123. Man has rights only in so far as they are a correlative of duty.
124. She was charged with obstruction of a police officer in the execution of his duty.
125. The belief that we should do our duty is deeply ingrained in most of us.
126. The idea of doing our duty is deeply ingrained in most people.
127. The story tells of a classic conflict between love and duty.
128. The teachers on duty are policing the school buildings during the lunch hour.
129. More than 3,[http://sentencedict.com/duty.html]000 police officers were wounded in the line of duty last year.
130. He went to the police station and spoke to the duty officer.
131. A son is duty bound to look after his mother.
132. He considered it a sacred duty to fulfill his dead father's wishes.
133. This helps to explain the unfortunate experience of a certain agriculturist from the U.S. assigned to duty in another country.
134. Health workers are a breed apart in their commitment and dedication to duty.
135. The goods are in bond; on paying duty you can get the goods out of bond.
136. Rules are rules and it's my duty to enforce them.
137. It was their religious duty to give alms to the poor.
138. When such advisers fail in their duty, they let down the whole system.
139. The duty of a godmother is to make you learn your catechism.
140. He bought a heavy - duty cleanser to clean his greasy oven.
141. Then he nodded courteously to me and walked off to perform his unpleasant duty.
142. He felt it was his bounden duty to tell the police what he knew.
143. The committee heard that he had been negligent in his duty.
144. He talked about how much we owed to our parents, our duty to our country and so on and so forth.
145. She felt it to be her duty to tell the police.
146. I suppose we'd better do our duty and report the accident.
147. The government are failing in their duty to protect people.
148. The soldiers were returning from a six-month tour of duty in Northern Ireland.
149. It was the only place for off - duty relaxation.
150. Only one doctor is on duty today the other doctor is off duty.