work that you are obliged to perform for moral or legal reasons; "the duties of the job"
the social force that binds you to the courses of action demanded by that force; "we must instill a sense of duty in our children"; "every right implies a responsibility; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr
a government tax on imports or exports; "they signed a treaty to lower duties on trade between their countries"
abounding in or given to pompous or aphoristic moralizing; "too often the significant episode deteriorates into sententious conversation"- Kathleen Barnes
characterized by or full of force or strength (often but not necessarily physical); "a forceful speaker"; "a forceful personality"; "forceful measures"; "a forceful plan for peace"
property of a personal character that is portable but not used in business; "she left some of her personal effects in the house"; "I watched over their effects until they returned"
(mathematics) the sum of a finite or infinite sequence of expressions
a periodical that appears at scheduled times
(sports) several contests played successively by the same teams; "the visiting team swept the series"
similar things placed in order or happening one after another; "they were investigating a series of bank robberies"
a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection; "the Post Office issued a series commemorating famous American entertainers"; "his coin collection included the complete series of Indian-head pennies"
(electronics) connection of components in such a manner that current flows first through one and then through the other; "the voltage divider consisted of a series of fixed resistors"
the occurrence of incoming water (between a low tide and the following high tide); "a tide in the affairs of men which, taken at the flood, leads on to fortune" -Shakespeare